Finding the Fourth Proportional to 225,147.12, 337,720.61 and 84,872.94
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Solution
The fourth proportional to 225,147.12, 337,720.61 and 84,872.94 is: 127,309.38
Step by Step Solution
- Step 1: Write the proportion equation
225,147.12 : 337,720.61 = 84,872.94 : x - Step 2: Convert to fraction form
225,147.12/337,720.61 = 84,872.94/x - Step 3: Cross multiply
225,147.12x = 337,720.61 × 84,872.94 - Step 4: Simplify right side
225,147.12x = 28,663,338,956.33 - Step 5: Solve for x
x = 28,663,338,956.33/225,147.12 - Step 6: Final answer
x = 127,309.38
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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.