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Finding the Fourth Proportional to 322,092.10, 483,138.15 and 111,751.30

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Solution

The fourth proportional to 322,092.10, 483,138.15 and 111,751.30 is: 167,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,092.10 : 483,138.15 = 111,751.30 : x
  2. Step 2: Convert to fraction form
    322,092.10/483,138.15 = 111,751.30/x
  3. Step 3: Cross multiply
    322,092.10x = 483,138.15 × 111,751.30
  4. Step 4: Simplify right side
    322,092.10x = 53,991,316,342.10
  5. Step 5: Solve for x
    x = 53,991,316,342.10/322,092.10
  6. Step 6: Final answer
    x = 167,626.95

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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.