Finding the Fourth Proportional to 437,344.05, 656,053.66 and 121,800.95
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Solution
The fourth proportional to 437,344.05, 656,053.66 and 121,800.95 is: 182,711.89
Step by Step Solution
- Step 1: Write the proportion equation
437,344.05 : 656,053.66 = 121,800.95 : x - Step 2: Convert to fraction form
437,344.05/656,053.66 = 121,800.95/x - Step 3: Cross multiply
437,344.05x = 656,053.66 × 121,800.95 - Step 4: Simplify right side
437,344.05x = 79,907,959,038.98 - Step 5: Solve for x
x = 79,907,959,038.98/437,344.05 - Step 6: Final answer
x = 182,711.89
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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.