Finding the Fourth Proportional to 471,585.36, 707,246.28 and 187,147.92
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Solution
The fourth proportional to 471,585.36, 707,246.28 and 187,147.92 is: 280,669.59
Step by Step Solution
- Step 1: Write the proportion equation
471,585.36 : 707,246.28 = 187,147.92 : x - Step 2: Convert to fraction form
471,585.36/707,246.28 = 187,147.92/x - Step 3: Cross multiply
471,585.36x = 707,246.28 × 187,147.92 - Step 4: Simplify right side
471,585.36x = 132,359,670,229.74 - Step 5: Solve for x
x = 132,359,670,229.74/471,585.36 - Step 6: Final answer
x = 280,669.59
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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.