Finding the Fourth Proportional to 227,286.63, 313,655.12 and 125,311.38
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Solution
The fourth proportional to 227,286.63, 313,655.12 and 125,311.38 is: 172,929.46
Step by Step Solution
- Step 1: Write the proportion equation
227,286.63 : 313,655.12 = 125,311.38 : x - Step 2: Convert to fraction form
227,286.63/313,655.12 = 125,311.38/x - Step 3: Cross multiply
227,286.63x = 313,655.12 × 125,311.38 - Step 4: Simplify right side
227,286.63x = 39,304,555,068.34 - Step 5: Solve for x
x = 39,304,555,068.34/227,286.63 - Step 6: Final answer
x = 172,929.46
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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.