Finding the Fourth Proportional to 247,348.62, 341,179.70 and 156,609.99
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Solution
The fourth proportional to 247,348.62, 341,179.70 and 156,609.99 is: 216,019.59
Step by Step Solution
- Step 1: Write the proportion equation
247,348.62 : 341,179.70 = 156,609.99 : x - Step 2: Convert to fraction form
247,348.62/341,179.70 = 156,609.99/x - Step 3: Cross multiply
247,348.62x = 341,179.70 × 156,609.99 - Step 4: Simplify right side
247,348.62x = 53,432,148,622.15 - Step 5: Solve for x
x = 53,432,148,622.15/247,348.62 - Step 6: Final answer
x = 216,019.59
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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.