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Finding the Fourth Proportional to 359,081.39, 494,861.05 and 268,277.15

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Solution

The fourth proportional to 359,081.39, 494,861.05 and 268,277.15 is: 369,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,081.39 : 494,861.05 = 268,277.15 : x
  2. Step 2: Convert to fraction form
    359,081.39/494,861.05 = 268,277.15/x
  3. Step 3: Cross multiply
    359,081.39x = 494,861.05 × 268,277.15
  4. Step 4: Simplify right side
    359,081.39x = 132,759,912,140.01
  5. Step 5: Solve for x
    x = 132,759,912,140.01/359,081.39
  6. Step 6: Final answer
    x = 369,720.95

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1.5x scale

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.