Finding the Fourth Proportional to 574,234.31, 861,285.81 and 153,542.99
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Solution
The fourth proportional to 574,234.31, 861,285.81 and 153,542.99 is: 230,296.93
Step by Step Solution
- Step 1: Write the proportion equation
574,234.31 : 861,285.81 = 153,542.99 : x - Step 2: Convert to fraction form
574,234.31/861,285.81 = 153,542.99/x - Step 3: Cross multiply
574,234.31x = 861,285.81 × 153,542.99 - Step 4: Simplify right side
574,234.31x = 132,244,400,377.29 - Step 5: Solve for x
x = 132,244,400,377.29/574,234.31 - Step 6: Final answer
x = 230,296.93
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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.