Home / 263,016.88-394,528.20-76,030

Finding the Fourth Proportional to 263,016.88, 394,528.20 and 76,030

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Solution

The fourth proportional to 263,016.88, 394,528.20 and 76,030 is: 114,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,016.88 : 394,528.20 = 76,030 : x
  2. Step 2: Convert to fraction form
    263,016.88/394,528.20 = 76,030/x
  3. Step 3: Cross multiply
    263,016.88x = 394,528.20 × 76,030
  4. Step 4: Simplify right side
    263,016.88x = 29,995,979,046
  5. Step 5: Solve for x
    x = 29,995,979,046/263,016.88
  6. Step 6: Final answer
    x = 114,045.83

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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.