Finding the Fourth Proportional to 288,768.26, 398,479.97 and 167,900.99
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Solution
The fourth proportional to 288,768.26, 398,479.97 and 167,900.99 is: 231,691.60
Step by Step Solution
- Step 1: Write the proportion equation
288,768.26 : 398,479.97 = 167,900.99 : x - Step 2: Convert to fraction form
288,768.26/398,479.97 = 167,900.99/x - Step 3: Cross multiply
288,768.26x = 398,479.97 × 167,900.99 - Step 4: Simplify right side
288,768.26x = 66,905,179,885.52 - Step 5: Solve for x
x = 66,905,179,885.52/288,768.26 - Step 6: Final answer
x = 231,691.60
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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.