Home / 226,133.28-339,189.12-76,363.20

Finding the Fourth Proportional to 226,133.28, 339,189.12 and 76,363.20

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Solution

The fourth proportional to 226,133.28, 339,189.12 and 76,363.20 is: 114,541.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,133.28 : 339,189.12 = 76,363.20 : x
  2. Step 2: Convert to fraction form
    226,133.28/339,189.12 = 76,363.20/x
  3. Step 3: Cross multiply
    226,133.28x = 339,189.12 × 76,363.20
  4. Step 4: Simplify right side
    226,133.28x = 25,901,566,608.38
  5. Step 5: Solve for x
    x = 25,901,566,608.38/226,133.28
  6. Step 6: Final answer
    x = 114,541.15

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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.