Finding the Fourth Proportional to 356,195.48, 491,545.14 and 203,229.68
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Solution
The fourth proportional to 356,195.48, 491,545.14 and 203,229.68 is: 280,454.32
Step by Step Solution
- Step 1: Write the proportion equation
356,195.48 : 491,545.14 = 203,229.68 : x - Step 2: Convert to fraction form
356,195.48/491,545.14 = 203,229.68/x - Step 3: Cross multiply
356,195.48x = 491,545.14 × 203,229.68 - Step 4: Simplify right side
356,195.48x = 99,896,561,507.76 - Step 5: Solve for x
x = 99,896,561,507.76/356,195.48 - Step 6: Final answer
x = 280,454.32
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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.