Finding the Fourth Proportional to 257,049.20, 354,247.08 and 185,306.96
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Solution
The fourth proportional to 257,049.20, 354,247.08 and 185,306.96 is: 255,376.98
Step by Step Solution
- Step 1: Write the proportion equation
257,049.20 : 354,247.08 = 185,306.96 : x - Step 2: Convert to fraction form
257,049.20/354,247.08 = 185,306.96/x - Step 3: Cross multiply
257,049.20x = 354,247.08 × 185,306.96 - Step 4: Simplify right side
257,049.20x = 65,644,449,483.68 - Step 5: Solve for x
x = 65,644,449,483.68/257,049.20 - Step 6: Final answer
x = 255,376.98
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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.