Finding the Fourth Proportional to 322,545.07, 445,123.62 and 177,361.90
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Solution
The fourth proportional to 322,545.07, 445,123.62 and 177,361.90 is: 244,765.70
Step by Step Solution
- Step 1: Write the proportion equation
322,545.07 : 445,123.62 = 177,361.90 : x - Step 2: Convert to fraction form
322,545.07/445,123.62 = 177,361.90/x - Step 3: Cross multiply
322,545.07x = 445,123.62 × 177,361.90 - Step 4: Simplify right side
322,545.07x = 78,947,970,978.08 - Step 5: Solve for x
x = 78,947,970,978.08/322,545.07 - Step 6: Final answer
x = 244,765.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.