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Finding the Fourth Proportional to 222,747.70, 334,121.55 and 82,488.10

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Solution

The fourth proportional to 222,747.70, 334,121.55 and 82,488.10 is: 123,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.70 : 334,121.55 = 82,488.10 : x
  2. Step 2: Convert to fraction form
    222,747.70/334,121.55 = 82,488.10/x
  3. Step 3: Cross multiply
    222,747.70x = 334,121.55 × 82,488.10
  4. Step 4: Simplify right side
    222,747.70x = 27,561,051,828.56
  5. Step 5: Solve for x
    x = 27,561,051,828.56/222,747.70
  6. Step 6: Final answer
    x = 123,732.15

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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.