Home / 269,932.40-404,908.20-82,943.60

Finding the Fourth Proportional to 269,932.40, 404,908.20 and 82,943.60

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Solution

The fourth proportional to 269,932.40, 404,908.20 and 82,943.60 is: 124,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,932.40 : 404,908.20 = 82,943.60 : x
  2. Step 2: Convert to fraction form
    269,932.40/404,908.20 = 82,943.60/x
  3. Step 3: Cross multiply
    269,932.40x = 404,908.20 × 82,943.60
  4. Step 4: Simplify right side
    269,932.40x = 33,584,543,777.52
  5. Step 5: Solve for x
    x = 33,584,543,777.52/269,932.40
  6. Step 6: Final answer
    x = 124,418.35

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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.