Finding the Fourth Proportional to 159,502.65, 239,253.99 and 47,174.13
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Solution
The fourth proportional to 159,502.65, 239,253.99 and 47,174.13 is: 70,761.20
Step by Step Solution
- Step 1: Write the proportion equation
159,502.65 : 239,253.99 = 47,174.13 : x - Step 2: Convert to fraction form
159,502.65/239,253.99 = 47,174.13/x - Step 3: Cross multiply
159,502.65x = 239,253.99 × 47,174.13 - Step 4: Simplify right side
159,502.65x = 11,286,598,827.28 - Step 5: Solve for x
x = 11,286,598,827.28/159,502.65 - Step 6: Final answer
x = 70,761.20
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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.