Home / 269,820.19-404,659.73-80,229.50

Finding the Fourth Proportional to 269,820.19, 404,659.73 and 80,229.50

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Solution

The fourth proportional to 269,820.19, 404,659.73 and 80,229.50 is: 120,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,820.19 : 404,659.73 = 80,229.50 : x
  2. Step 2: Convert to fraction form
    269,820.19/404,659.73 = 80,229.50/x
  3. Step 3: Cross multiply
    269,820.19x = 404,659.73 × 80,229.50
  4. Step 4: Simplify right side
    269,820.19x = 32,465,645,784.74
  5. Step 5: Solve for x
    x = 32,465,645,784.74/269,820.19
  6. Step 6: Final answer
    x = 120,323.26

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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.