Home / 226,262.25-339,394.18-76,503.78

Finding the Fourth Proportional to 226,262.25, 339,394.18 and 76,503.78

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Solution

The fourth proportional to 226,262.25, 339,394.18 and 76,503.78 is: 114,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,262.25 : 339,394.18 = 76,503.78 : x
  2. Step 2: Convert to fraction form
    226,262.25/339,394.18 = 76,503.78/x
  3. Step 3: Cross multiply
    226,262.25x = 339,394.18 × 76,503.78
  4. Step 4: Simplify right side
    226,262.25x = 25,964,935,983.03
  5. Step 5: Solve for x
    x = 25,964,935,983.03/226,262.25
  6. Step 6: Final answer
    x = 114,755.94

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1.5x scale

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.