Finding the Fourth Proportional to 100,575.70, 150,863.54 and 25,695.99
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Solution
The fourth proportional to 100,575.70, 150,863.54 and 25,695.99 is: 38,543.98
Step by Step Solution
- Step 1: Write the proportion equation
100,575.70 : 150,863.54 = 25,695.99 : x - Step 2: Convert to fraction form
100,575.70/150,863.54 = 25,695.99/x - Step 3: Cross multiply
100,575.70x = 150,863.54 × 25,695.99 - Step 4: Simplify right side
100,575.70x = 3,876,587,886.72 - Step 5: Solve for x
x = 3,876,587,886.72/100,575.70 - Step 6: Final answer
x = 38,543.98
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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.