Home / 278,022.20-417,033.33-67,660.14

Finding the Fourth Proportional to 278,022.20, 417,033.33 and 67,660.14

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Solution

The fourth proportional to 278,022.20, 417,033.33 and 67,660.14 is: 101,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,022.20 : 417,033.33 = 67,660.14 : x
  2. Step 2: Convert to fraction form
    278,022.20/417,033.33 = 67,660.14/x
  3. Step 3: Cross multiply
    278,022.20x = 417,033.33 × 67,660.14
  4. Step 4: Simplify right side
    278,022.20x = 28,216,531,854.78
  5. Step 5: Solve for x
    x = 28,216,531,854.78/278,022.20
  6. Step 6: Final answer
    x = 101,490.21

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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.