Home / 321,965.20-483,408.60-181,997.20

Finding the Fourth Proportional to 321,965.20, 483,408.60 and 181,997.20

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Solution

The fourth proportional to 321,965.20, 483,408.60 and 181,997.20 is: 273,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,965.20 : 483,408.60 = 181,997.20 : x
  2. Step 2: Convert to fraction form
    321,965.20/483,408.60 = 181,997.20/x
  3. Step 3: Cross multiply
    321,965.20x = 483,408.60 × 181,997.20
  4. Step 4: Simplify right side
    321,965.20x = 87,979,011,655.92
  5. Step 5: Solve for x
    x = 87,979,011,655.92/321,965.20
  6. Step 6: Final answer
    x = 273,256.28

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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.