Home / 278,022.20-417,422.10-173,046.20

Finding the Fourth Proportional to 278,022.20, 417,422.10 and 173,046.20

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Solution

The fourth proportional to 278,022.20, 417,422.10 and 173,046.20 is: 259,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,022.20 : 417,422.10 = 173,046.20 : x
  2. Step 2: Convert to fraction form
    278,022.20/417,422.10 = 173,046.20/x
  3. Step 3: Cross multiply
    278,022.20x = 417,422.10 × 173,046.20
  4. Step 4: Simplify right side
    278,022.20x = 72,233,308,201.02
  5. Step 5: Solve for x
    x = 72,233,308,201.02/278,022.20
  6. Step 6: Final answer
    x = 259,811.30

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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.