Home / 263,284.83-394,966.13-76,272.03

Finding the Fourth Proportional to 263,284.83, 394,966.13 and 76,272.03

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Solution

The fourth proportional to 263,284.83, 394,966.13 and 76,272.03 is: 114,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,284.83 : 394,966.13 = 76,272.03 : x
  2. Step 2: Convert to fraction form
    263,284.83/394,966.13 = 76,272.03/x
  3. Step 3: Cross multiply
    263,284.83x = 394,966.13 × 76,272.03
  4. Step 4: Simplify right side
    263,284.83x = 30,124,868,134.98
  5. Step 5: Solve for x
    x = 30,124,868,134.98/263,284.83
  6. Step 6: Final answer
    x = 114,419.31

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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.