Finding the Fourth Proportional to 316,000.24, 474,000.84 and 126,545.92
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Solution
The fourth proportional to 316,000.24, 474,000.84 and 126,545.92 is: 189,819.07
Step by Step Solution
- Step 1: Write the proportion equation
316,000.24 : 474,000.84 = 126,545.92 : x - Step 2: Convert to fraction form
316,000.24/474,000.84 = 126,545.92/x - Step 3: Cross multiply
316,000.24x = 474,000.84 × 126,545.92 - Step 4: Simplify right side
316,000.24x = 59,982,872,378.57 - Step 5: Solve for x
x = 59,982,872,378.57/316,000.24 - Step 6: Final answer
x = 189,819.07
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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.