Home / 267,991.03-369,860.43-154,813.78

Finding the Fourth Proportional to 267,991.03, 369,860.43 and 154,813.78

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Solution

The fourth proportional to 267,991.03, 369,860.43 and 154,813.78 is: 213,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,991.03 : 369,860.43 = 154,813.78 : x
  2. Step 2: Convert to fraction form
    267,991.03/369,860.43 = 154,813.78/x
  3. Step 3: Cross multiply
    267,991.03x = 369,860.43 × 154,813.78
  4. Step 4: Simplify right side
    267,991.03x = 57,259,491,412.78
  5. Step 5: Solve for x
    x = 57,259,491,412.78/267,991.03
  6. Step 6: Final answer
    x = 213,661.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.