Home / 259,177.32-388,979.82-200,371.32

Finding the Fourth Proportional to 259,177.32, 388,979.82 and 200,371.32

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Solution

The fourth proportional to 259,177.32, 388,979.82 and 200,371.32 is: 300,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,177.32 : 388,979.82 = 200,371.32 : x
  2. Step 2: Convert to fraction form
    259,177.32/388,979.82 = 200,371.32/x
  3. Step 3: Cross multiply
    259,177.32x = 388,979.82 × 200,371.32
  4. Step 4: Simplify right side
    259,177.32x = 77,940,399,986.76
  5. Step 5: Solve for x
    x = 77,940,399,986.76/259,177.32
  6. Step 6: Final answer
    x = 300,722.30

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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.