Finding the Fourth Proportional to 464,086.11, 696,129.69 and 127,129.65
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Solution
The fourth proportional to 464,086.11, 696,129.69 and 127,129.65 is: 190,694.62
Step by Step Solution
- Step 1: Write the proportion equation
464,086.11 : 696,129.69 = 127,129.65 : x - Step 2: Convert to fraction form
464,086.11/696,129.69 = 127,129.65/x - Step 3: Cross multiply
464,086.11x = 696,129.69 × 127,129.65 - Step 4: Simplify right side
464,086.11x = 88,498,723,844.31 - Step 5: Solve for x
x = 88,498,723,844.31/464,086.11 - Step 6: Final answer
x = 190,694.62
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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.