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Finding the Fourth Proportional to 322,281.57, 482,635.02 and 278,191.65

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Solution

The fourth proportional to 322,281.57, 482,635.02 and 278,191.65 is: 416,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,281.57 : 482,635.02 = 278,191.65 : x
  2. Step 2: Convert to fraction form
    322,281.57/482,635.02 = 278,191.65/x
  3. Step 3: Cross multiply
    322,281.57x = 482,635.02 × 278,191.65
  4. Step 4: Simplify right side
    322,281.57x = 134,265,032,561.58
  5. Step 5: Solve for x
    x = 134,265,032,561.58/322,281.57
  6. Step 6: Final answer
    x = 416,607.85

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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.