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Finding the Fourth Proportional to 442,354.88, 663,532.32 and 109,930.88

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Solution

The fourth proportional to 442,354.88, 663,532.32 and 109,930.88 is: 164,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,354.88 : 663,532.32 = 109,930.88 : x
  2. Step 2: Convert to fraction form
    442,354.88/663,532.32 = 109,930.88/x
  3. Step 3: Cross multiply
    442,354.88x = 663,532.32 × 109,930.88
  4. Step 4: Simplify right side
    442,354.88x = 72,942,691,846.04
  5. Step 5: Solve for x
    x = 72,942,691,846.04/442,354.88
  6. Step 6: Final answer
    x = 164,896.32

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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.