Finding the Fourth Proportional to 225,458.18, 338,027.09 and 113,057.31
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Solution
The fourth proportional to 225,458.18, 338,027.09 and 113,057.31 is: 169,505.64
Step by Step Solution
- Step 1: Write the proportion equation
225,458.18 : 338,027.09 = 113,057.31 : x - Step 2: Convert to fraction form
225,458.18/338,027.09 = 113,057.31/x - Step 3: Cross multiply
225,458.18x = 338,027.09 × 113,057.31 - Step 4: Simplify right side
225,458.18x = 38,216,432,937.24 - Step 5: Solve for x
x = 38,216,432,937.24/225,458.18 - Step 6: Final answer
x = 169,505.64
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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.