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Finding the Fourth Proportional to 262,927.60, 394,391.40 and 192,425.20

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Solution

The fourth proportional to 262,927.60, 394,391.40 and 192,425.20 is: 288,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,927.60 : 394,391.40 = 192,425.20 : x
  2. Step 2: Convert to fraction form
    262,927.60/394,391.40 = 192,425.20/x
  3. Step 3: Cross multiply
    262,927.60x = 394,391.40 × 192,425.20
  4. Step 4: Simplify right side
    262,927.60x = 75,890,844,023.28
  5. Step 5: Solve for x
    x = 75,890,844,023.28/262,927.60
  6. Step 6: Final answer
    x = 288,637.80

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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.