Home / 451,317.11-677,018.79-127,104.39

Finding the Fourth Proportional to 451,317.11, 677,018.79 and 127,104.39

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Solution

The fourth proportional to 451,317.11, 677,018.79 and 127,104.39 is: 190,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,317.11 : 677,018.79 = 127,104.39 : x
  2. Step 2: Convert to fraction form
    451,317.11/677,018.79 = 127,104.39/x
  3. Step 3: Cross multiply
    451,317.11x = 677,018.79 × 127,104.39
  4. Step 4: Simplify right side
    451,317.11x = 86,052,060,321.49
  5. Step 5: Solve for x
    x = 86,052,060,321.49/451,317.11
  6. Step 6: Final answer
    x = 190,668.73

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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.