Finding the Fourth Proportional to 118,471.92, 177,717.06 and 39,586.42
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Solution
The fourth proportional to 118,471.92, 177,717.06 and 39,586.42 is: 59,382.70
Step by Step Solution
- Step 1: Write the proportion equation
118,471.92 : 177,717.06 = 39,586.42 : x - Step 2: Convert to fraction form
118,471.92/177,717.06 = 39,586.42/x - Step 3: Cross multiply
118,471.92x = 177,717.06 × 39,586.42 - Step 4: Simplify right side
118,471.92x = 7,035,182,474.17 - Step 5: Solve for x
x = 7,035,182,474.17/118,471.92 - Step 6: Final answer
x = 59,382.70
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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.