Finding the Fourth Proportional to 437,800.36, 656,737.80 and 138,200.80
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Solution
The fourth proportional to 437,800.36, 656,737.80 and 138,200.80 is: 207,312.96
Step by Step Solution
- Step 1: Write the proportion equation
437,800.36 : 656,737.80 = 138,200.80 : x - Step 2: Convert to fraction form
437,800.36/656,737.80 = 138,200.80/x - Step 3: Cross multiply
437,800.36x = 656,737.80 × 138,200.80 - Step 4: Simplify right side
437,800.36x = 90,761,689,350.24 - Step 5: Solve for x
x = 90,761,689,350.24/437,800.36 - Step 6: Final answer
x = 207,312.96
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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.