Home / 299,352.11-449,198.57-109,787.21

Finding the Fourth Proportional to 299,352.11, 449,198.57 and 109,787.21

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Solution

The fourth proportional to 299,352.11, 449,198.57 and 109,787.21 is: 164,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,352.11 : 449,198.57 = 109,787.21 : x
  2. Step 2: Convert to fraction form
    299,352.11/449,198.57 = 109,787.21/x
  3. Step 3: Cross multiply
    299,352.11x = 449,198.57 × 109,787.21
  4. Step 4: Simplify right side
    299,352.11x = 49,316,256,340.28
  5. Step 5: Solve for x
    x = 49,316,256,340.28/299,352.11
  6. Step 6: Final answer
    x = 164,743.30

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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.