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Finding the Fourth Proportional to 251,970, 377,955 and 104,226

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Solution

The fourth proportional to 251,970, 377,955 and 104,226 is: 156,339

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,970 : 377,955 = 104,226 : x
  2. Step 2: Convert to fraction form
    251,970/377,955 = 104,226/x
  3. Step 3: Cross multiply
    251,970x = 377,955 × 104,226
  4. Step 4: Simplify right side
    251,970x = 39,392,737,830
  5. Step 5: Solve for x
    x = 39,392,737,830/251,970
  6. Step 6: Final answer
    x = 156,339

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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.