Finding the Fourth Proportional to 487,235.65, 730,853.11 and 132,301.75
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Solution
The fourth proportional to 487,235.65, 730,853.11 and 132,301.75 is: 198,452.53
Step by Step Solution
- Step 1: Write the proportion equation
487,235.65 : 730,853.11 = 132,301.75 : x - Step 2: Convert to fraction form
487,235.65/730,853.11 = 132,301.75/x - Step 3: Cross multiply
487,235.65x = 730,853.11 × 132,301.75 - Step 4: Simplify right side
487,235.65x = 96,693,145,445.94 - Step 5: Solve for x
x = 96,693,145,445.94/487,235.65 - Step 6: Final answer
x = 198,452.53
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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.