Finding the Fourth Proportional to 453,891.98, 680,794.22 and 138,351.62
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Solution
The fourth proportional to 453,891.98, 680,794.22 and 138,351.62 is: 207,514.09
Step by Step Solution
- Step 1: Write the proportion equation
453,891.98 : 680,794.22 = 138,351.62 : x - Step 2: Convert to fraction form
453,891.98/680,794.22 = 138,351.62/x - Step 3: Cross multiply
453,891.98x = 680,794.22 × 138,351.62 - Step 4: Simplify right side
453,891.98x = 94,188,983,223.64 - Step 5: Solve for x
x = 94,188,983,223.64/453,891.98 - Step 6: Final answer
x = 207,514.09
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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.