Home / 226,634.60-339,941.10-76,860.20

Finding the Fourth Proportional to 226,634.60, 339,941.10 and 76,860.20

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Solution

The fourth proportional to 226,634.60, 339,941.10 and 76,860.20 is: 115,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,634.60 : 339,941.10 = 76,860.20 : x
  2. Step 2: Convert to fraction form
    226,634.60/339,941.10 = 76,860.20/x
  3. Step 3: Cross multiply
    226,634.60x = 339,941.10 × 76,860.20
  4. Step 4: Simplify right side
    226,634.60x = 26,127,940,934.22
  5. Step 5: Solve for x
    x = 26,127,940,934.22/226,634.60
  6. Step 6: Final answer
    x = 115,286.64

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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.