Home / 226,778.34-340,141.06-84,628.51

Finding the Fourth Proportional to 226,778.34, 340,141.06 and 84,628.51

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Solution

The fourth proportional to 226,778.34, 340,141.06 and 84,628.51 is: 126,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,778.34 : 340,141.06 = 84,628.51 : x
  2. Step 2: Convert to fraction form
    226,778.34/340,141.06 = 84,628.51/x
  3. Step 3: Cross multiply
    226,778.34x = 340,141.06 × 84,628.51
  4. Step 4: Simplify right side
    226,778.34x = 28,785,631,097.62
  5. Step 5: Solve for x
    x = 28,785,631,097.62/226,778.34
  6. Step 6: Final answer
    x = 126,932.89

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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.