Home / 221,122.20-331,343.10-164,697.60

Finding the Fourth Proportional to 221,122.20, 331,343.10 and 164,697.60

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Solution

The fourth proportional to 221,122.20, 331,343.10 and 164,697.60 is: 246,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,122.20 : 331,343.10 = 164,697.60 : x
  2. Step 2: Convert to fraction form
    221,122.20/331,343.10 = 164,697.60/x
  3. Step 3: Cross multiply
    221,122.20x = 331,343.10 × 164,697.60
  4. Step 4: Simplify right side
    221,122.20x = 54,571,413,346.56
  5. Step 5: Solve for x
    x = 54,571,413,346.56/221,122.20
  6. Step 6: Final answer
    x = 246,793.01

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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.