Home / 226,301.09-339,495.39-76,565.78

Finding the Fourth Proportional to 226,301.09, 339,495.39 and 76,565.78

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Solution

The fourth proportional to 226,301.09, 339,495.39 and 76,565.78 is: 114,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,301.09 : 339,495.39 = 76,565.78 : x
  2. Step 2: Convert to fraction form
    226,301.09/339,495.39 = 76,565.78/x
  3. Step 3: Cross multiply
    226,301.09x = 339,495.39 × 76,565.78
  4. Step 4: Simplify right side
    226,301.09x = 25,993,727,644.28
  5. Step 5: Solve for x
    x = 25,993,727,644.28/226,301.09
  6. Step 6: Final answer
    x = 114,863.47

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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.