Finding the Fourth Proportional to 181,000.26, 271,507.68 and 86,181.66
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Solution
The fourth proportional to 181,000.26, 271,507.68 and 86,181.66 is: 129,275.96
Step by Step Solution
- Step 1: Write the proportion equation
181,000.26 : 271,507.68 = 86,181.66 : x - Step 2: Convert to fraction form
181,000.26/271,507.68 = 86,181.66/x - Step 3: Cross multiply
181,000.26x = 271,507.68 × 86,181.66 - Step 4: Simplify right side
181,000.26x = 23,398,982,565.15 - Step 5: Solve for x
x = 23,398,982,565.15/181,000.26 - Step 6: Final answer
x = 129,275.96
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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.