Home / 381,131.44-571,577.22-137,941.12

Finding the Fourth Proportional to 381,131.44, 571,577.22 and 137,941.12

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Solution

The fourth proportional to 381,131.44, 571,577.22 and 137,941.12 is: 206,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,131.44 : 571,577.22 = 137,941.12 : x
  2. Step 2: Convert to fraction form
    381,131.44/571,577.22 = 137,941.12/x
  3. Step 3: Cross multiply
    381,131.44x = 571,577.22 × 137,941.12
  4. Step 4: Simplify right side
    381,131.44x = 78,844,001,893.29
  5. Step 5: Solve for x
    x = 78,844,001,893.29/381,131.44
  6. Step 6: Final answer
    x = 206,868.27

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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.