Home / 259,947.20-388,999.20-177,003.20

Finding the Fourth Proportional to 259,947.20, 388,999.20 and 177,003.20

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Solution

The fourth proportional to 259,947.20, 388,999.20 and 177,003.20 is: 264,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,947.20 : 388,999.20 = 177,003.20 : x
  2. Step 2: Convert to fraction form
    259,947.20/388,999.20 = 177,003.20/x
  3. Step 3: Cross multiply
    259,947.20x = 388,999.20 × 177,003.20
  4. Step 4: Simplify right side
    259,947.20x = 68,854,103,197.44
  5. Step 5: Solve for x
    x = 68,854,103,197.44/259,947.20
  6. Step 6: Final answer
    x = 264,877.26

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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.