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Finding the Fourth Proportional to 323,581.62, 485,372.45 and 98,942.03

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Solution

The fourth proportional to 323,581.62, 485,372.45 and 98,942.03 is: 148,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,581.62 : 485,372.45 = 98,942.03 : x
  2. Step 2: Convert to fraction form
    323,581.62/485,372.45 = 98,942.03/x
  3. Step 3: Cross multiply
    323,581.62x = 485,372.45 × 98,942.03
  4. Step 4: Simplify right side
    323,581.62x = 48,023,732,587.50
  5. Step 5: Solve for x
    x = 48,023,732,587.50/323,581.62
  6. Step 6: Final answer
    x = 148,413.04

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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.