Home / 226,520.70-339,568.83-76,656.07

Finding the Fourth Proportional to 226,520.70, 339,568.83 and 76,656.07

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Solution

The fourth proportional to 226,520.70, 339,568.83 and 76,656.07 is: 114,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,520.70 : 339,568.83 = 76,656.07 : x
  2. Step 2: Convert to fraction form
    226,520.70/339,568.83 = 76,656.07/x
  3. Step 3: Cross multiply
    226,520.70x = 339,568.83 × 76,656.07
  4. Step 4: Simplify right side
    226,520.70x = 26,030,012,002.30
  5. Step 5: Solve for x
    x = 26,030,012,002.30/226,520.70
  6. Step 6: Final answer
    x = 114,912.29

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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.