Finding the Fourth Proportional to 161,700.68, 242,542.92 and 61,908.68
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Solution
The fourth proportional to 161,700.68, 242,542.92 and 61,908.68 is: 92,859.92
Step by Step Solution
- Step 1: Write the proportion equation
161,700.68 : 242,542.92 = 61,908.68 : x - Step 2: Convert to fraction form
161,700.68/242,542.92 = 61,908.68/x - Step 3: Cross multiply
161,700.68x = 242,542.92 × 61,908.68 - Step 4: Simplify right side
161,700.68x = 15,015,512,020.55 - Step 5: Solve for x
x = 15,015,512,020.55/161,700.68 - Step 6: Final answer
x = 92,859.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.