Home / 361,213.55-541,442.04-121,268.56

Finding the Fourth Proportional to 361,213.55, 541,442.04 and 121,268.56

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Solution

The fourth proportional to 361,213.55, 541,442.04 and 121,268.56 is: 181,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,213.55 : 541,442.04 = 121,268.56 : x
  2. Step 2: Convert to fraction form
    361,213.55/541,442.04 = 121,268.56/x
  3. Step 3: Cross multiply
    361,213.55x = 541,442.04 × 121,268.56
  4. Step 4: Simplify right side
    361,213.55x = 65,659,894,460.10
  5. Step 5: Solve for x
    x = 65,659,894,460.10/361,213.55
  6. Step 6: Final answer
    x = 181,775.83

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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.