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Finding the Fourth Proportional to 319,283.87, 478,383.85 and 192,658.04

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Solution

The fourth proportional to 319,283.87, 478,383.85 and 192,658.04 is: 288,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,283.87 : 478,383.85 = 192,658.04 : x
  2. Step 2: Convert to fraction form
    319,283.87/478,383.85 = 192,658.04/x
  3. Step 3: Cross multiply
    319,283.87x = 478,383.85 × 192,658.04
  4. Step 4: Simplify right side
    319,283.87x = 92,164,494,729.73
  5. Step 5: Solve for x
    x = 92,164,494,729.73/319,283.87
  6. Step 6: Final answer
    x = 288,660.04

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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.