Finding the Fourth Proportional to 311,956.20, 467,934.30 and 125,101.80
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Solution
The fourth proportional to 311,956.20, 467,934.30 and 125,101.80 is: 187,652.70
Step by Step Solution
- Step 1: Write the proportion equation
311,956.20 : 467,934.30 = 125,101.80 : x - Step 2: Convert to fraction form
311,956.20/467,934.30 = 125,101.80/x - Step 3: Cross multiply
311,956.20x = 467,934.30 × 125,101.80 - Step 4: Simplify right side
311,956.20x = 58,539,423,211.74 - Step 5: Solve for x
x = 58,539,423,211.74/311,956.20 - Step 6: Final answer
x = 187,652.70
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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.