A diabetic patient/client was prescribed an 1800 calorie ADA diet. The patient/client can have 35% of her calories (630) in the form of carbohydrate (CHO). To maintain this same ratio, how many carbohydrate calories would she be allowed if the ADA diet was reduced to 1500 calories? Use a proportion (ratios) to solve the problem.
A) 525
B) 475
C) 425
D) 375

Question

Quizplus · Accepted Answer

A ratio indicates the relationship between two numbers. A proportion is the relationship between two ratios. When one of the numbers in the proportion is unknown, the letter x substitutes for that number. Set up the ratio/proportion: 630 CHO calories: 1800 ADA calories = x CHO calories : 1500 ADA calories; 1800 x = 630 × 1500/1800; x = 945,000/1800 = 525 CHO calories.

A Diabetic Patient/client Was Prescribed an 1800 Calorie ADA Diet