Home / 259,091.44-388,637.24-200,013.36

Finding the Fourth Proportional to 259,091.44, 388,637.24 and 200,013.36

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Solution

The fourth proportional to 259,091.44, 388,637.24 and 200,013.36 is: 300,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,091.44 : 388,637.24 = 200,013.36 : x
  2. Step 2: Convert to fraction form
    259,091.44/388,637.24 = 200,013.36/x
  3. Step 3: Cross multiply
    259,091.44x = 388,637.24 × 200,013.36
  4. Step 4: Simplify right side
    259,091.44x = 77,732,640,193.53
  5. Step 5: Solve for x
    x = 77,732,640,193.53/259,091.44
  6. Step 6: Final answer
    x = 300,020.10

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1.5x scale

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.