Home / 269,037.06-403,415.47-100,418.73

Finding the Fourth Proportional to 269,037.06, 403,415.47 and 100,418.73

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Solution

The fourth proportional to 269,037.06, 403,415.47 and 100,418.73 is: 150,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,037.06 : 403,415.47 = 100,418.73 : x
  2. Step 2: Convert to fraction form
    269,037.06/403,415.47 = 100,418.73/x
  3. Step 3: Cross multiply
    269,037.06x = 403,415.47 × 100,418.73
  4. Step 4: Simplify right side
    269,037.06x = 40,510,469,159.75
  5. Step 5: Solve for x
    x = 40,510,469,159.75/269,037.06
  6. Step 6: Final answer
    x = 150,575.79

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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.