Home / 262,979.88-394,568.21-136,541.21

Finding the Fourth Proportional to 262,979.88, 394,568.21 and 136,541.21

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Solution

The fourth proportional to 262,979.88, 394,568.21 and 136,541.21 is: 204,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,979.88 : 394,568.21 = 136,541.21 : x
  2. Step 2: Convert to fraction form
    262,979.88/394,568.21 = 136,541.21/x
  3. Step 3: Cross multiply
    262,979.88x = 394,568.21 × 136,541.21
  4. Step 4: Simplify right side
    262,979.88x = 53,874,819,189.45
  5. Step 5: Solve for x
    x = 53,874,819,189.45/262,979.88
  6. Step 6: Final answer
    x = 204,862.90

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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.