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Finding the Fourth Proportional to 226,913.30, 339,851.55 and 133,601.30

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Solution

The fourth proportional to 226,913.30, 339,851.55 and 133,601.30 is: 200,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,913.30 : 339,851.55 = 133,601.30 : x
  2. Step 2: Convert to fraction form
    226,913.30/339,851.55 = 133,601.30/x
  3. Step 3: Cross multiply
    226,913.30x = 339,851.55 × 133,601.30
  4. Step 4: Simplify right side
    226,913.30x = 45,404,608,887.02
  5. Step 5: Solve for x
    x = 45,404,608,887.02/226,913.30
  6. Step 6: Final answer
    x = 200,096.73

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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.