Finding the Fourth Proportional to 574,212.31, 861,252.85 and 153,520.99
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Solution
The fourth proportional to 574,212.31, 861,252.85 and 153,520.99 is: 230,263.94
Step by Step Solution
- Step 1: Write the proportion equation
574,212.31 : 861,252.85 = 153,520.99 : x - Step 2: Convert to fraction form
574,212.31/861,252.85 = 153,520.99/x - Step 3: Cross multiply
574,212.31x = 861,252.85 × 153,520.99 - Step 4: Simplify right side
574,212.31x = 132,220,385,098.45 - Step 5: Solve for x
x = 132,220,385,098.45/574,212.31 - Step 6: Final answer
x = 230,263.94
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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.