Home / 278,624.48-417,932.24-110,146.37

Finding the Fourth Proportional to 278,624.48, 417,932.24 and 110,146.37

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Solution

The fourth proportional to 278,624.48, 417,932.24 and 110,146.37 is: 165,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,624.48 : 417,932.24 = 110,146.37 : x
  2. Step 2: Convert to fraction form
    278,624.48/417,932.24 = 110,146.37/x
  3. Step 3: Cross multiply
    278,624.48x = 417,932.24 × 110,146.37
  4. Step 4: Simplify right side
    278,624.48x = 46,033,719,472.02
  5. Step 5: Solve for x
    x = 46,033,719,472.02/278,624.48
  6. Step 6: Final answer
    x = 165,217.78

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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.