Home / 259,453.24-389,179.86-119,329.72

Finding the Fourth Proportional to 259,453.24, 389,179.86 and 119,329.72

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Solution

The fourth proportional to 259,453.24, 389,179.86 and 119,329.72 is: 178,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,453.24 : 389,179.86 = 119,329.72 : x
  2. Step 2: Convert to fraction form
    259,453.24/389,179.86 = 119,329.72/x
  3. Step 3: Cross multiply
    259,453.24x = 389,179.86 × 119,329.72
  4. Step 4: Simplify right side
    259,453.24x = 46,440,723,723.44
  5. Step 5: Solve for x
    x = 46,440,723,723.44/259,453.24
  6. Step 6: Final answer
    x = 178,994.58

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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.