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Finding the Fourth Proportional to 323,854.08, 485,702.72 and 166,001.28

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Solution

The fourth proportional to 323,854.08, 485,702.72 and 166,001.28 is: 248,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,854.08 : 485,702.72 = 166,001.28 : x
  2. Step 2: Convert to fraction form
    323,854.08/485,702.72 = 166,001.28/x
  3. Step 3: Cross multiply
    323,854.08x = 485,702.72 × 166,001.28
  4. Step 4: Simplify right side
    323,854.08x = 80,627,273,219.48
  5. Step 5: Solve for x
    x = 80,627,273,219.48/323,854.08
  6. Step 6: Final answer
    x = 248,961.73

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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.