Home / 269,822.40-404,733.60-258,304.20

Finding the Fourth Proportional to 269,822.40, 404,733.60 and 258,304.20

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Solution

The fourth proportional to 269,822.40, 404,733.60 and 258,304.20 is: 387,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,822.40 : 404,733.60 = 258,304.20 : x
  2. Step 2: Convert to fraction form
    269,822.40/404,733.60 = 258,304.20/x
  3. Step 3: Cross multiply
    269,822.40x = 404,733.60 × 258,304.20
  4. Step 4: Simplify right side
    269,822.40x = 104,544,388,761.12
  5. Step 5: Solve for x
    x = 104,544,388,761.12/269,822.40
  6. Step 6: Final answer
    x = 387,456.30

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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.