Home / 226,020.83-338,908.05-68,228.78

Finding the Fourth Proportional to 226,020.83, 338,908.05 and 68,228.78

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Solution

The fourth proportional to 226,020.83, 338,908.05 and 68,228.78 is: 102,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,020.83 : 338,908.05 = 68,228.78 : x
  2. Step 2: Convert to fraction form
    226,020.83/338,908.05 = 68,228.78/x
  3. Step 3: Cross multiply
    226,020.83x = 338,908.05 × 68,228.78
  4. Step 4: Simplify right side
    226,020.83x = 23,123,281,089.14
  5. Step 5: Solve for x
    x = 23,123,281,089.14/226,020.83
  6. Step 6: Final answer
    x = 102,305.98

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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.