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Finding the Fourth Proportional to 226,475.78, 339,715.13 and 66,551.04

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Solution

The fourth proportional to 226,475.78, 339,715.13 and 66,551.04 is: 99,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,475.78 : 339,715.13 = 66,551.04 : x
  2. Step 2: Convert to fraction form
    226,475.78/339,715.13 = 66,551.04/x
  3. Step 3: Cross multiply
    226,475.78x = 339,715.13 × 66,551.04
  4. Step 4: Simplify right side
    226,475.78x = 22,608,394,872.48
  5. Step 5: Solve for x
    x = 22,608,394,872.48/226,475.78
  6. Step 6: Final answer
    x = 99,826.99

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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.