Finding the Fourth Proportional to 244,545.10, 337,491.80 and 135,660.18
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Solution
The fourth proportional to 244,545.10, 337,491.80 and 135,660.18 is: 187,221.90
Step by Step Solution
- Step 1: Write the proportion equation
244,545.10 : 337,491.80 = 135,660.18 : x - Step 2: Convert to fraction form
244,545.10/337,491.80 = 135,660.18/x - Step 3: Cross multiply
244,545.10x = 337,491.80 × 135,660.18 - Step 4: Simplify right side
244,545.10x = 45,784,198,581.07 - Step 5: Solve for x
x = 45,784,198,581.07/244,545.10 - Step 6: Final answer
x = 187,221.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.