Home / 263,246.06-394,918.31-105,486.82

Finding the Fourth Proportional to 263,246.06, 394,918.31 and 105,486.82

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Solution

The fourth proportional to 263,246.06, 394,918.31 and 105,486.82 is: 158,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,246.06 : 394,918.31 = 105,486.82 : x
  2. Step 2: Convert to fraction form
    263,246.06/394,918.31 = 105,486.82/x
  3. Step 3: Cross multiply
    263,246.06x = 394,918.31 × 105,486.82
  4. Step 4: Simplify right side
    263,246.06x = 41,658,675,958.10
  5. Step 5: Solve for x
    x = 41,658,675,958.10/263,246.06
  6. Step 6: Final answer
    x = 158,249.95

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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.