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Finding the Fourth Proportional to 323,819.67, 485,730.42 and 124,201.25

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Solution

The fourth proportional to 323,819.67, 485,730.42 and 124,201.25 is: 186,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,819.67 : 485,730.42 = 124,201.25 : x
  2. Step 2: Convert to fraction form
    323,819.67/485,730.42 = 124,201.25/x
  3. Step 3: Cross multiply
    323,819.67x = 485,730.42 × 124,201.25
  4. Step 4: Simplify right side
    323,819.67x = 60,328,324,952.74
  5. Step 5: Solve for x
    x = 60,328,324,952.74/323,819.67
  6. Step 6: Final answer
    x = 186,302.22

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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.