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Finding the Fourth Proportional to 647,028.27, 970,542.41 and 197,750.43

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Solution

The fourth proportional to 647,028.27, 970,542.41 and 197,750.43 is: 296,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,028.27 : 970,542.41 = 197,750.43 : x
  2. Step 2: Convert to fraction form
    647,028.27/970,542.41 = 197,750.43/x
  3. Step 3: Cross multiply
    647,028.27x = 970,542.41 × 197,750.43
  4. Step 4: Simplify right side
    647,028.27x = 191,925,177,921.98
  5. Step 5: Solve for x
    x = 191,925,177,921.98/647,028.27
  6. Step 6: Final answer
    x = 296,625.65

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Similar ratio
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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.