Home / 275,863.27-413,800.09-76,188.95

Finding the Fourth Proportional to 275,863.27, 413,800.09 and 76,188.95

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Solution

The fourth proportional to 275,863.27, 413,800.09 and 76,188.95 is: 114,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,863.27 : 413,800.09 = 76,188.95 : x
  2. Step 2: Convert to fraction form
    275,863.27/413,800.09 = 76,188.95/x
  3. Step 3: Cross multiply
    275,863.27x = 413,800.09 × 76,188.95
  4. Step 4: Simplify right side
    275,863.27x = 31,526,996,415.47
  5. Step 5: Solve for x
    x = 31,526,996,415.47/275,863.27
  6. Step 6: Final answer
    x = 114,284.86

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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.