Finding the Fourth Proportional to 437,490.05, 656,136.47 and 157,007.30
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Solution
The fourth proportional to 437,490.05, 656,136.47 and 157,007.30 is: 235,475.56
Step by Step Solution
- Step 1: Write the proportion equation
437,490.05 : 656,136.47 = 157,007.30 : x - Step 2: Convert to fraction form
437,490.05/656,136.47 = 157,007.30/x - Step 3: Cross multiply
437,490.05x = 656,136.47 × 157,007.30 - Step 4: Simplify right side
437,490.05x = 103,018,212,698.07 - Step 5: Solve for x
x = 103,018,212,698.07/437,490.05 - Step 6: Final answer
x = 235,475.56
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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.