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Finding the Fourth Proportional to 451,252.80, 622,564.11 and 269,969.94

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Solution

The fourth proportional to 451,252.80, 622,564.11 and 269,969.94 is: 372,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,252.80 : 622,564.11 = 269,969.94 : x
  2. Step 2: Convert to fraction form
    451,252.80/622,564.11 = 269,969.94/x
  3. Step 3: Cross multiply
    451,252.80x = 622,564.11 × 269,969.94
  4. Step 4: Simplify right side
    451,252.80x = 168,073,595,422.85
  5. Step 5: Solve for x
    x = 168,073,595,422.85/451,252.80
  6. Step 6: Final answer
    x = 372,459.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.