Home / 275,023.68-379,550.22-154,165.02

Finding the Fourth Proportional to 275,023.68, 379,550.22 and 154,165.02

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Solution

The fourth proportional to 275,023.68, 379,550.22 and 154,165.02 is: 212,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,023.68 : 379,550.22 = 154,165.02 : x
  2. Step 2: Convert to fraction form
    275,023.68/379,550.22 = 154,165.02/x
  3. Step 3: Cross multiply
    275,023.68x = 379,550.22 × 154,165.02
  4. Step 4: Simplify right side
    275,023.68x = 58,513,367,257.30
  5. Step 5: Solve for x
    x = 58,513,367,257.30/275,023.68
  6. Step 6: Final answer
    x = 212,757.56

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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.