Finding the Fourth Proportional to 272,584.26, 408,451.26 and 172,533.09
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Solution
The fourth proportional to 272,584.26, 408,451.26 and 172,533.09 is: 258,530.55
Step by Step Solution
- Step 1: Write the proportion equation
272,584.26 : 408,451.26 = 172,533.09 : x - Step 2: Convert to fraction form
272,584.26/408,451.26 = 172,533.09/x - Step 3: Cross multiply
272,584.26x = 408,451.26 × 172,533.09 - Step 4: Simplify right side
272,584.26x = 70,471,358,002.19 - Step 5: Solve for x
x = 70,471,358,002.19/272,584.26 - Step 6: Final answer
x = 258,530.55
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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.