Home / 262,837.08-394,314.12-75,834

Finding the Fourth Proportional to 262,837.08, 394,314.12 and 75,834

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Solution

The fourth proportional to 262,837.08, 394,314.12 and 75,834 is: 113,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,837.08 : 394,314.12 = 75,834 : x
  2. Step 2: Convert to fraction form
    262,837.08/394,314.12 = 75,834/x
  3. Step 3: Cross multiply
    262,837.08x = 394,314.12 × 75,834
  4. Step 4: Simplify right side
    262,837.08x = 29,902,416,976.08
  5. Step 5: Solve for x
    x = 29,902,416,976.08/262,837.08
  6. Step 6: Final answer
    x = 113,767.88

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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.