Home / 225,815.13-338,722.85-57,348.09

Finding the Fourth Proportional to 225,815.13, 338,722.85 and 57,348.09

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Solution

The fourth proportional to 225,815.13, 338,722.85 and 57,348.09 is: 86,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,815.13 : 338,722.85 = 57,348.09 : x
  2. Step 2: Convert to fraction form
    225,815.13/338,722.85 = 57,348.09/x
  3. Step 3: Cross multiply
    225,815.13x = 338,722.85 × 57,348.09
  4. Step 4: Simplify right side
    225,815.13x = 19,425,108,486.86
  5. Step 5: Solve for x
    x = 19,425,108,486.86/225,815.13
  6. Step 6: Final answer
    x = 86,022.17

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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.