Home / 259,451.24-389,176.86-119,327.72

Finding the Fourth Proportional to 259,451.24, 389,176.86 and 119,327.72

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Solution

The fourth proportional to 259,451.24, 389,176.86 and 119,327.72 is: 178,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,451.24 : 389,176.86 = 119,327.72 : x
  2. Step 2: Convert to fraction form
    259,451.24/389,176.86 = 119,327.72/x
  3. Step 3: Cross multiply
    259,451.24x = 389,176.86 × 119,327.72
  4. Step 4: Simplify right side
    259,451.24x = 46,439,587,380.56
  5. Step 5: Solve for x
    x = 46,439,587,380.56/259,451.24
  6. Step 6: Final answer
    x = 178,991.58

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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.