Finding the Fourth Proportional to 247,691.80, 341,801.94 and 134,514.28
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Solution
The fourth proportional to 247,691.80, 341,801.94 and 134,514.28 is: 185,622.79
Step by Step Solution
- Step 1: Write the proportion equation
247,691.80 : 341,801.94 = 134,514.28 : x - Step 2: Convert to fraction form
247,691.80/341,801.94 = 134,514.28/x - Step 3: Cross multiply
247,691.80x = 341,801.94 × 134,514.28 - Step 4: Simplify right side
247,691.80x = 45,977,241,861.70 - Step 5: Solve for x
x = 45,977,241,861.70/247,691.80 - Step 6: Final answer
x = 185,622.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.