Finding the Fourth Proportional to 135,965.97, 203,948.14 and 52,859.97
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Solution
The fourth proportional to 135,965.97, 203,948.14 and 52,859.97 is: 79,289.64
Step by Step Solution
- Step 1: Write the proportion equation
135,965.97 : 203,948.14 = 52,859.97 : x - Step 2: Convert to fraction form
135,965.97/203,948.14 = 52,859.97/x - Step 3: Cross multiply
135,965.97x = 203,948.14 × 52,859.97 - Step 4: Simplify right side
135,965.97x = 10,780,692,561.96 - Step 5: Solve for x
x = 10,780,692,561.96/135,965.97 - Step 6: Final answer
x = 79,289.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.