Finding the Fourth Proportional to 227,162.12, 313,497.42 and 125,187.31
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Solution
The fourth proportional to 227,162.12, 313,497.42 and 125,187.31 is: 172,766.03
Step by Step Solution
- Step 1: Write the proportion equation
227,162.12 : 313,497.42 = 125,187.31 : x - Step 2: Convert to fraction form
227,162.12/313,497.42 = 125,187.31/x - Step 3: Cross multiply
227,162.12x = 313,497.42 × 125,187.31 - Step 4: Simplify right side
227,162.12x = 39,245,897,134.25 - Step 5: Solve for x
x = 39,245,897,134.25/227,162.12 - Step 6: Final answer
x = 172,766.03
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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.