Home / 384,537.57-576,427.26-135,044.61

Finding the Fourth Proportional to 384,537.57, 576,427.26 and 135,044.61

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Solution

The fourth proportional to 384,537.57, 576,427.26 and 135,044.61 is: 202,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,537.57 : 576,427.26 = 135,044.61 : x
  2. Step 2: Convert to fraction form
    384,537.57/576,427.26 = 135,044.61/x
  3. Step 3: Cross multiply
    384,537.57x = 576,427.26 × 135,044.61
  4. Step 4: Simplify right side
    384,537.57x = 77,843,394,520.07
  5. Step 5: Solve for x
    x = 77,843,394,520.07/384,537.57
  6. Step 6: Final answer
    x = 202,433.78

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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.