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Finding the Fourth Proportional to 322,163.03, 483,410.37 and 132,763.34

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Solution

The fourth proportional to 322,163.03, 483,410.37 and 132,763.34 is: 199,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,163.03 : 483,410.37 = 132,763.34 : x
  2. Step 2: Convert to fraction form
    322,163.03/483,410.37 = 132,763.34/x
  3. Step 3: Cross multiply
    322,163.03x = 483,410.37 × 132,763.34
  4. Step 4: Simplify right side
    322,163.03x = 64,179,175,311.84
  5. Step 5: Solve for x
    x = 64,179,175,311.84/322,163.03
  6. Step 6: Final answer
    x = 199,213.35

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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.