Home / 226,401.26-339,582.30-76,638.35

Finding the Fourth Proportional to 226,401.26, 339,582.30 and 76,638.35

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Solution

The fourth proportional to 226,401.26, 339,582.30 and 76,638.35 is: 114,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,401.26 : 339,582.30 = 76,638.35 : x
  2. Step 2: Convert to fraction form
    226,401.26/339,582.30 = 76,638.35/x
  3. Step 3: Cross multiply
    226,401.26x = 339,582.30 × 76,638.35
  4. Step 4: Simplify right side
    226,401.26x = 26,025,027,161.21
  5. Step 5: Solve for x
    x = 26,025,027,161.21/226,401.26
  6. Step 6: Final answer
    x = 114,950.89

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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.