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Finding the Fourth Proportional to 251,982, 377,973 and 104,238

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Solution

The fourth proportional to 251,982, 377,973 and 104,238 is: 156,357

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,982 : 377,973 = 104,238 : x
  2. Step 2: Convert to fraction form
    251,982/377,973 = 104,238/x
  3. Step 3: Cross multiply
    251,982x = 377,973 × 104,238
  4. Step 4: Simplify right side
    251,982x = 39,399,149,574
  5. Step 5: Solve for x
    x = 39,399,149,574/251,982
  6. Step 6: Final answer
    x = 156,357

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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.