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Finding the Fourth Proportional to 323,651.82, 446,630.16 and 180,408.78

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Solution

The fourth proportional to 323,651.82, 446,630.16 and 180,408.78 is: 248,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,651.82 : 446,630.16 = 180,408.78 : x
  2. Step 2: Convert to fraction form
    323,651.82/446,630.16 = 180,408.78/x
  3. Step 3: Cross multiply
    323,651.82x = 446,630.16 × 180,408.78
  4. Step 4: Simplify right side
    323,651.82x = 80,576,002,276.80
  5. Step 5: Solve for x
    x = 80,576,002,276.80/323,651.82
  6. Step 6: Final answer
    x = 248,958.90

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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.