Home / 239,891.28-331,078.04-199,533.84

Finding the Fourth Proportional to 239,891.28, 331,078.04 and 199,533.84

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Solution

The fourth proportional to 239,891.28, 331,078.04 and 199,533.84 is: 275,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,891.28 : 331,078.04 = 199,533.84 : x
  2. Step 2: Convert to fraction form
    239,891.28/331,078.04 = 199,533.84/x
  3. Step 3: Cross multiply
    239,891.28x = 331,078.04 × 199,533.84
  4. Step 4: Simplify right side
    239,891.28x = 66,061,272,660.87
  5. Step 5: Solve for x
    x = 66,061,272,660.87/239,891.28
  6. Step 6: Final answer
    x = 275,380.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.