Finding the Fourth Proportional to 225,906.12, 338,638.86 and 107,545.68
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Solution
The fourth proportional to 225,906.12, 338,638.86 and 107,545.68 is: 161,213.63
Step by Step Solution
- Step 1: Write the proportion equation
225,906.12 : 338,638.86 = 107,545.68 : x - Step 2: Convert to fraction form
225,906.12/338,638.86 = 107,545.68/x - Step 3: Cross multiply
225,906.12x = 338,638.86 × 107,545.68 - Step 4: Simplify right side
225,906.12x = 36,419,146,473.12 - Step 5: Solve for x
x = 36,419,146,473.12/225,906.12 - Step 6: Final answer
x = 161,213.63
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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.