Finding the Fourth Proportional to 288,857.70, 433,286.55 and 288,857.70
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Solution
The fourth proportional to 288,857.70, 433,286.55 and 288,857.70 is: 433,286.55
Step by Step Solution
- Step 1: Write the proportion equation
288,857.70 : 433,286.55 = 288,857.70 : x - Step 2: Convert to fraction form
288,857.70/433,286.55 = 288,857.70/x - Step 3: Cross multiply
288,857.70x = 433,286.55 × 288,857.70 - Step 4: Simplify right side
288,857.70x = 125,158,156,273.94 - Step 5: Solve for x
x = 125,158,156,273.94/288,857.70 - Step 6: Final answer
x = 433,286.55
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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.