Home / 269,840.24-404,689.80-80,249.60

Finding the Fourth Proportional to 269,840.24, 404,689.80 and 80,249.60

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Solution

The fourth proportional to 269,840.24, 404,689.80 and 80,249.60 is: 120,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,840.24 : 404,689.80 = 80,249.60 : x
  2. Step 2: Convert to fraction form
    269,840.24/404,689.80 = 80,249.60/x
  3. Step 3: Cross multiply
    269,840.24x = 404,689.80 × 80,249.60
  4. Step 4: Simplify right side
    269,840.24x = 32,476,194,574.08
  5. Step 5: Solve for x
    x = 32,476,194,574.08/269,840.24
  6. Step 6: Final answer
    x = 120,353.42

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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.