Finding the Fourth Proportional to 326,187.24, 488,722.92 and 255,082.68
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Solution
The fourth proportional to 326,187.24, 488,722.92 and 255,082.68 is: 382,187.70
Step by Step Solution
- Step 1: Write the proportion equation
326,187.24 : 488,722.92 = 255,082.68 : x - Step 2: Convert to fraction form
326,187.24/488,722.92 = 255,082.68/x - Step 3: Cross multiply
326,187.24x = 488,722.92 × 255,082.68 - Step 4: Simplify right side
326,187.24x = 124,664,752,211.03 - Step 5: Solve for x
x = 124,664,752,211.03/326,187.24 - Step 6: Final answer
x = 382,187.70
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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.