Home / 254,291.96-381,437.86-198,174.04

Finding the Fourth Proportional to 254,291.96, 381,437.86 and 198,174.04

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Solution

The fourth proportional to 254,291.96, 381,437.86 and 198,174.04 is: 297,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,291.96 : 381,437.86 = 198,174.04 : x
  2. Step 2: Convert to fraction form
    254,291.96/381,437.86 = 198,174.04/x
  3. Step 3: Cross multiply
    254,291.96x = 381,437.86 × 198,174.04
  4. Step 4: Simplify right side
    254,291.96x = 75,591,082,793.29
  5. Step 5: Solve for x
    x = 75,591,082,793.29/254,291.96
  6. Step 6: Final answer
    x = 297,261.01

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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.