Home / 375,821.03-518,654.24-222,949.73

Finding the Fourth Proportional to 375,821.03, 518,654.24 and 222,949.73

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Solution

The fourth proportional to 375,821.03, 518,654.24 and 222,949.73 is: 307,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,821.03 : 518,654.24 = 222,949.73 : x
  2. Step 2: Convert to fraction form
    375,821.03/518,654.24 = 222,949.73/x
  3. Step 3: Cross multiply
    375,821.03x = 518,654.24 × 222,949.73
  4. Step 4: Simplify right side
    375,821.03x = 115,633,823,789.30
  5. Step 5: Solve for x
    x = 115,633,823,789.30/375,821.03
  6. Step 6: Final answer
    x = 307,683.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.