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Finding the Fourth Proportional to 550,217.28, 825,255.18 and 213,026.76

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Solution

The fourth proportional to 550,217.28, 825,255.18 and 213,026.76 is: 319,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,217.28 : 825,255.18 = 213,026.76 : x
  2. Step 2: Convert to fraction form
    550,217.28/825,255.18 = 213,026.76/x
  3. Step 3: Cross multiply
    550,217.28x = 825,255.18 × 213,026.76
  4. Step 4: Simplify right side
    550,217.28x = 175,801,437,168.62
  5. Step 5: Solve for x
    x = 175,801,437,168.62/550,217.28
  6. Step 6: Final answer
    x = 319,512.75

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1.5x scale

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.