Finding the Fourth Proportional to 227,043.29, 313,344.34 and 125,079.19
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Solution
The fourth proportional to 227,043.29, 313,344.34 and 125,079.19 is: 172,622.84
Step by Step Solution
- Step 1: Write the proportion equation
227,043.29 : 313,344.34 = 125,079.19 : x - Step 2: Convert to fraction form
227,043.29/313,344.34 = 125,079.19/x - Step 3: Cross multiply
227,043.29x = 313,344.34 × 125,079.19 - Step 4: Simplify right side
227,043.29x = 39,192,857,608.36 - Step 5: Solve for x
x = 39,192,857,608.36/227,043.29 - Step 6: Final answer
x = 172,622.84
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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.