Home / 278,301.13-417,171.24-109,756.33

Finding the Fourth Proportional to 278,301.13, 417,171.24 and 109,756.33

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Solution

The fourth proportional to 278,301.13, 417,171.24 and 109,756.33 is: 164,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,301.13 : 417,171.24 = 109,756.33 : x
  2. Step 2: Convert to fraction form
    278,301.13/417,171.24 = 109,756.33/x
  3. Step 3: Cross multiply
    278,301.13x = 417,171.24 × 109,756.33
  4. Step 4: Simplify right side
    278,301.13x = 45,787,184,283.95
  5. Step 5: Solve for x
    x = 45,787,184,283.95/278,301.13
  6. Step 6: Final answer
    x = 164,523.89

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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.