Finding the Fourth Proportional to 288,471.68, 398,064.07 and 167,611.68
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Solution
The fourth proportional to 288,471.68, 398,064.07 and 167,611.68 is: 231,288.52
Step by Step Solution
- Step 1: Write the proportion equation
288,471.68 : 398,064.07 = 167,611.68 : x - Step 2: Convert to fraction form
288,471.68/398,064.07 = 167,611.68/x - Step 3: Cross multiply
288,471.68x = 398,064.07 × 167,611.68 - Step 4: Simplify right side
288,471.68x = 66,720,187,729.85 - Step 5: Solve for x
x = 66,720,187,729.85/288,471.68 - Step 6: Final answer
x = 231,288.52
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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.