Home / 259,480.46-388,699.62-129,257.04

Finding the Fourth Proportional to 259,480.46, 388,699.62 and 129,257.04

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Solution

The fourth proportional to 259,480.46, 388,699.62 and 129,257.04 is: 193,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,480.46 : 388,699.62 = 129,257.04 : x
  2. Step 2: Convert to fraction form
    259,480.46/388,699.62 = 129,257.04/x
  3. Step 3: Cross multiply
    259,480.46x = 388,699.62 × 129,257.04
  4. Step 4: Simplify right side
    259,480.46x = 50,242,160,872.70
  5. Step 5: Solve for x
    x = 50,242,160,872.70/259,480.46
  6. Step 6: Final answer
    x = 193,625.99

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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.