Finding the Fourth Proportional to 181,882.64, 272,785.08 and 57,195.92
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Solution
The fourth proportional to 181,882.64, 272,785.08 and 57,195.92 is: 85,781.65
Step by Step Solution
- Step 1: Write the proportion equation
181,882.64 : 272,785.08 = 57,195.92 : x - Step 2: Convert to fraction form
181,882.64/272,785.08 = 57,195.92/x - Step 3: Cross multiply
181,882.64x = 272,785.08 × 57,195.92 - Step 4: Simplify right side
181,882.64x = 15,602,193,612.87 - Step 5: Solve for x
x = 15,602,193,612.87/181,882.64 - Step 6: Final answer
x = 85,781.65
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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.