Finding the Fourth Proportional to 514,295.26, 771,565.20 and 214,609.30
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Solution
The fourth proportional to 514,295.26, 771,565.20 and 214,609.30 is: 321,964.99
Step by Step Solution
- Step 1: Write the proportion equation
514,295.26 : 771,565.20 = 214,609.30 : x - Step 2: Convert to fraction form
514,295.26/771,565.20 = 214,609.30/x - Step 3: Cross multiply
514,295.26x = 771,565.20 × 214,609.30 - Step 4: Simplify right side
514,295.26x = 165,585,067,476.36 - Step 5: Solve for x
x = 165,585,067,476.36/514,295.26 - Step 6: Final answer
x = 321,964.99
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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.