Finding the Fourth Proportional to 453,414.30, 680,380.65 and 173,132.70
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Solution
The fourth proportional to 453,414.30, 680,380.65 and 173,132.70 is: 259,798.02
Step by Step Solution
- Step 1: Write the proportion equation
453,414.30 : 680,380.65 = 173,132.70 : x - Step 2: Convert to fraction form
453,414.30/680,380.65 = 173,132.70/x - Step 3: Cross multiply
453,414.30x = 680,380.65 × 173,132.70 - Step 4: Simplify right side
453,414.30x = 117,796,138,962.26 - Step 5: Solve for x
x = 117,796,138,962.26/453,414.30 - Step 6: Final answer
x = 259,798.02
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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.