Finding the Fourth Proportional to 138,260.75, 207,471.62 and 58,293.70
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Solution
The fourth proportional to 138,260.75, 207,471.62 and 58,293.70 is: 87,474.49
Step by Step Solution
- Step 1: Write the proportion equation
138,260.75 : 207,471.62 = 58,293.70 : x - Step 2: Convert to fraction form
138,260.75/207,471.62 = 58,293.70/x - Step 3: Cross multiply
138,260.75x = 207,471.62 × 58,293.70 - Step 4: Simplify right side
138,260.75x = 12,094,288,001.85 - Step 5: Solve for x
x = 12,094,288,001.85/138,260.75 - Step 6: Final answer
x = 87,474.49
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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.