Finding the Fourth Proportional to 388,337.72, 582,572.99 and 177,993.68
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Solution
The fourth proportional to 388,337.72, 582,572.99 and 177,993.68 is: 267,020.96
Step by Step Solution
- Step 1: Write the proportion equation
388,337.72 : 582,572.99 = 177,993.68 : x - Step 2: Convert to fraction form
388,337.72/582,572.99 = 177,993.68/x - Step 3: Cross multiply
388,337.72x = 582,572.99 × 177,993.68 - Step 4: Simplify right side
388,337.72x = 103,694,307,890.82 - Step 5: Solve for x
x = 103,694,307,890.82/388,337.72 - Step 6: Final answer
x = 267,020.96
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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.