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Finding the Fourth Proportional to 550,255.97, 825,568.60 and 213,307.62

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Solution

The fourth proportional to 550,255.97, 825,568.60 and 213,307.62 is: 320,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,255.97 : 825,568.60 = 213,307.62 : x
  2. Step 2: Convert to fraction form
    550,255.97/825,568.60 = 213,307.62/x
  3. Step 3: Cross multiply
    550,255.97x = 825,568.60 × 213,307.62
  4. Step 4: Simplify right side
    550,255.97x = 176,100,073,212.73
  5. Step 5: Solve for x
    x = 176,100,073,212.73/550,255.97
  6. Step 6: Final answer
    x = 320,033.01

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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.