Finding the Fourth Proportional to 272,585.26, 408,452.76 and 172,534.09
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Solution
The fourth proportional to 272,585.26, 408,452.76 and 172,534.09 is: 258,532.05
Step by Step Solution
- Step 1: Write the proportion equation
272,585.26 : 408,452.76 = 172,534.09 : x - Step 2: Convert to fraction form
272,585.26/408,452.76 = 172,534.09/x - Step 3: Cross multiply
272,585.26x = 408,452.76 × 172,534.09 - Step 4: Simplify right side
272,585.26x = 70,472,025,254.59 - Step 5: Solve for x
x = 70,472,025,254.59/272,585.26 - Step 6: Final answer
x = 258,532.05
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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.