Home / 259,151.26-388,726.89-148,265.50

Finding the Fourth Proportional to 259,151.26, 388,726.89 and 148,265.50

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Solution

The fourth proportional to 259,151.26, 388,726.89 and 148,265.50 is: 222,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,151.26 : 388,726.89 = 148,265.50 : x
  2. Step 2: Convert to fraction form
    259,151.26/388,726.89 = 148,265.50/x
  3. Step 3: Cross multiply
    259,151.26x = 388,726.89 × 148,265.50
  4. Step 4: Simplify right side
    259,151.26x = 57,634,786,709.30
  5. Step 5: Solve for x
    x = 57,634,786,709.30/259,151.26
  6. Step 6: Final answer
    x = 222,398.25

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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.