Finding the Fourth Proportional to 268,272.92, 402,421.68 and 189,737.75
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Solution
The fourth proportional to 268,272.92, 402,421.68 and 189,737.75 is: 284,615.32
Step by Step Solution
- Step 1: Write the proportion equation
268,272.92 : 402,421.68 = 189,737.75 : x - Step 2: Convert to fraction form
268,272.92/402,421.68 = 189,737.75/x - Step 3: Cross multiply
268,272.92x = 402,421.68 × 189,737.75 - Step 4: Simplify right side
268,272.92x = 76,354,582,856.85 - Step 5: Solve for x
x = 76,354,582,856.85/268,272.92 - Step 6: Final answer
x = 284,615.32
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1.5x scale
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.