Home / 269,317.20-403,635.60-136,234.20

Finding the Fourth Proportional to 269,317.20, 403,635.60 and 136,234.20

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Solution

The fourth proportional to 269,317.20, 403,635.60 and 136,234.20 is: 204,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,317.20 : 403,635.60 = 136,234.20 : x
  2. Step 2: Convert to fraction form
    269,317.20/403,635.60 = 136,234.20/x
  3. Step 3: Cross multiply
    269,317.20x = 403,635.60 × 136,234.20
  4. Step 4: Simplify right side
    269,317.20x = 54,988,973,057.52
  5. Step 5: Solve for x
    x = 54,988,973,057.52/269,317.20
  6. Step 6: Final answer
    x = 204,179.21

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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.