Home / 269,515.12-404,154.32-100,917.22

Finding the Fourth Proportional to 269,515.12, 404,154.32 and 100,917.22

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Solution

The fourth proportional to 269,515.12, 404,154.32 and 100,917.22 is: 151,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,515.12 : 404,154.32 = 100,917.22 : x
  2. Step 2: Convert to fraction form
    269,515.12/404,154.32 = 100,917.22/x
  3. Step 3: Cross multiply
    269,515.12x = 404,154.32 × 100,917.22
  4. Step 4: Simplify right side
    269,515.12x = 40,786,128,404.62
  5. Step 5: Solve for x
    x = 40,786,128,404.62/269,515.12
  6. Step 6: Final answer
    x = 151,331.51

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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.