Home / 381,228.14-572,028.54-269,625.56

Finding the Fourth Proportional to 381,228.14, 572,028.54 and 269,625.56

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Solution

The fourth proportional to 381,228.14, 572,028.54 and 269,625.56 is: 404,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,228.14 : 572,028.54 = 269,625.56 : x
  2. Step 2: Convert to fraction form
    381,228.14/572,028.54 = 269,625.56/x
  3. Step 3: Cross multiply
    381,228.14x = 572,028.54 × 269,625.56
  4. Step 4: Simplify right side
    381,228.14x = 154,233,515,433.48
  5. Step 5: Solve for x
    x = 154,233,515,433.48/381,228.14
  6. Step 6: Final answer
    x = 404,570.12

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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.