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Finding the Fourth Proportional to 244,992, 367,488 and 78,780

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Solution

The fourth proportional to 244,992, 367,488 and 78,780 is: 118,170

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,992 : 367,488 = 78,780 : x
  2. Step 2: Convert to fraction form
    244,992/367,488 = 78,780/x
  3. Step 3: Cross multiply
    244,992x = 367,488 × 78,780
  4. Step 4: Simplify right side
    244,992x = 28,950,704,640
  5. Step 5: Solve for x
    x = 28,950,704,640/244,992
  6. Step 6: Final answer
    x = 118,170

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.