Finding the Fourth Proportional to 381,605.38, 572,447.26 and 101,122.62
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Solution
The fourth proportional to 381,605.38, 572,447.26 and 101,122.62 is: 151,694.32
Step by Step Solution
- Step 1: Write the proportion equation
381,605.38 : 572,447.26 = 101,122.62 : x - Step 2: Convert to fraction form
381,605.38/572,447.26 = 101,122.62/x - Step 3: Cross multiply
381,605.38x = 572,447.26 × 101,122.62 - Step 4: Simplify right side
381,605.38x = 57,887,366,743.02 - Step 5: Solve for x
x = 57,887,366,743.02/381,605.38 - Step 6: Final answer
x = 151,694.32
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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.