Home / 226,867.20-340,286.40-77,107.20

Finding the Fourth Proportional to 226,867.20, 340,286.40 and 77,107.20

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Solution

The fourth proportional to 226,867.20, 340,286.40 and 77,107.20 is: 115,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,867.20 : 340,286.40 = 77,107.20 : x
  2. Step 2: Convert to fraction form
    226,867.20/340,286.40 = 77,107.20/x
  3. Step 3: Cross multiply
    226,867.20x = 340,286.40 × 77,107.20
  4. Step 4: Simplify right side
    226,867.20x = 26,238,531,502.08
  5. Step 5: Solve for x
    x = 26,238,531,502.08/226,867.20
  6. Step 6: Final answer
    x = 115,655.91

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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.