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Finding the Fourth Proportional to 323,067.22, 445,874.60 and 185,299.88

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Solution

The fourth proportional to 323,067.22, 445,874.60 and 185,299.88 is: 255,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,067.22 : 445,874.60 = 185,299.88 : x
  2. Step 2: Convert to fraction form
    323,067.22/445,874.60 = 185,299.88/x
  3. Step 3: Cross multiply
    323,067.22x = 445,874.60 × 185,299.88
  4. Step 4: Simplify right side
    323,067.22x = 82,620,509,875.05
  5. Step 5: Solve for x
    x = 82,620,509,875.05/323,067.22
  6. Step 6: Final answer
    x = 255,737.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.