Finding the Fourth Proportional to 227,140.14, 313,467.11 and 125,165.43
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Solution
The fourth proportional to 227,140.14, 313,467.11 and 125,165.43 is: 172,735.85
Step by Step Solution
- Step 1: Write the proportion equation
227,140.14 : 313,467.11 = 125,165.43 : x - Step 2: Convert to fraction form
227,140.14/313,467.11 = 125,165.43/x - Step 3: Cross multiply
227,140.14x = 313,467.11 × 125,165.43 - Step 4: Simplify right side
227,140.14x = 39,235,246,161.61 - Step 5: Solve for x
x = 39,235,246,161.61/227,140.14 - Step 6: Final answer
x = 172,735.85
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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.