Home / 263,246.07-394,918.32-105,486.83

Finding the Fourth Proportional to 263,246.07, 394,918.32 and 105,486.83

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Solution

The fourth proportional to 263,246.07, 394,918.32 and 105,486.83 is: 158,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,246.07 : 394,918.32 = 105,486.83 : x
  2. Step 2: Convert to fraction form
    263,246.07/394,918.32 = 105,486.83/x
  3. Step 3: Cross multiply
    263,246.07x = 394,918.32 × 105,486.83
  4. Step 4: Simplify right side
    263,246.07x = 41,658,679,711.13
  5. Step 5: Solve for x
    x = 41,658,679,711.13/263,246.07
  6. Step 6: Final answer
    x = 158,249.96

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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.