Finding the Fourth Proportional to 288,049.70, 431,296.95 and 225,841.70
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Solution
The fourth proportional to 288,049.70, 431,296.95 and 225,841.70 is: 338,152.88
Step by Step Solution
- Step 1: Write the proportion equation
288,049.70 : 431,296.95 = 225,841.70 : x - Step 2: Convert to fraction form
288,049.70/431,296.95 = 225,841.70/x - Step 3: Cross multiply
288,049.70x = 431,296.95 × 225,841.70 - Step 4: Simplify right side
288,049.70x = 97,404,836,392.82 - Step 5: Solve for x
x = 97,404,836,392.82/288,049.70 - Step 6: Final answer
x = 338,152.88
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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.