Finding the Fourth Proportional to 288,766.26, 433,121.04 and 89,032.68
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Solution
The fourth proportional to 288,766.26, 433,121.04 and 89,032.68 is: 133,540.28
Step by Step Solution
- Step 1: Write the proportion equation
288,766.26 : 433,121.04 = 89,032.68 : x - Step 2: Convert to fraction form
288,766.26/433,121.04 = 89,032.68/x - Step 3: Cross multiply
288,766.26x = 433,121.04 × 89,032.68 - Step 4: Simplify right side
288,766.26x = 38,561,926,955.59 - Step 5: Solve for x
x = 38,561,926,955.59/288,766.26 - Step 6: Final answer
x = 133,540.28
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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.