Finding the Fourth Proportional to 577,424.18, 866,121.69 and 156,689.12
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Solution
The fourth proportional to 577,424.18, 866,121.69 and 156,689.12 is: 235,029.72
Step by Step Solution
- Step 1: Write the proportion equation
577,424.18 : 866,121.69 = 156,689.12 : x - Step 2: Convert to fraction form
577,424.18/866,121.69 = 156,689.12/x - Step 3: Cross multiply
577,424.18x = 866,121.69 × 156,689.12 - Step 4: Simplify right side
577,424.18x = 135,711,841,088.40 - Step 5: Solve for x
x = 135,711,841,088.40/577,424.18 - Step 6: Final answer
x = 235,029.72
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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.