Finding the Fourth Proportional to 225,135.59, 337,162.16 and 128,780.75
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Solution
The fourth proportional to 225,135.59, 337,162.16 and 128,780.75 is: 192,861.55
Step by Step Solution
- Step 1: Write the proportion equation
225,135.59 : 337,162.16 = 128,780.75 : x - Step 2: Convert to fraction form
225,135.59/337,162.16 = 128,780.75/x - Step 3: Cross multiply
225,135.59x = 337,162.16 × 128,780.75 - Step 4: Simplify right side
225,135.59x = 43,419,997,001.28 - Step 5: Solve for x
x = 43,419,997,001.28/225,135.59 - Step 6: Final answer
x = 192,861.55
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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.