Home / 263,022.88-394,537.20-76,036

Finding the Fourth Proportional to 263,022.88, 394,537.20 and 76,036

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Solution

The fourth proportional to 263,022.88, 394,537.20 and 76,036 is: 114,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,022.88 : 394,537.20 = 76,036 : x
  2. Step 2: Convert to fraction form
    263,022.88/394,537.20 = 76,036/x
  3. Step 3: Cross multiply
    263,022.88x = 394,537.20 × 76,036
  4. Step 4: Simplify right side
    263,022.88x = 29,999,030,539.20
  5. Step 5: Solve for x
    x = 29,999,030,539.20/263,022.88
  6. Step 6: Final answer
    x = 114,054.83

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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.