Home / 226,279.80-339,398.96-76,521.39

Finding the Fourth Proportional to 226,279.80, 339,398.96 and 76,521.39

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Solution

The fourth proportional to 226,279.80, 339,398.96 and 76,521.39 is: 114,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,279.80 : 339,398.96 = 76,521.39 : x
  2. Step 2: Convert to fraction form
    226,279.80/339,398.96 = 76,521.39/x
  3. Step 3: Cross multiply
    226,279.80x = 339,398.96 × 76,521.39
  4. Step 4: Simplify right side
    226,279.80x = 25,971,279,801.15
  5. Step 5: Solve for x
    x = 25,971,279,801.15/226,279.80
  6. Step 6: Final answer
    x = 114,775.07

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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.