Home / 263,018.88-394,531.20-76,032

Finding the Fourth Proportional to 263,018.88, 394,531.20 and 76,032

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Solution

The fourth proportional to 263,018.88, 394,531.20 and 76,032 is: 114,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,018.88 : 394,531.20 = 76,032 : x
  2. Step 2: Convert to fraction form
    263,018.88/394,531.20 = 76,032/x
  3. Step 3: Cross multiply
    263,018.88x = 394,531.20 × 76,032
  4. Step 4: Simplify right side
    263,018.88x = 29,996,996,198.40
  5. Step 5: Solve for x
    x = 29,996,996,198.40/263,018.88
  6. Step 6: Final answer
    x = 114,048.83

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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.