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Finding the Fourth Proportional to 251,994.25, 377,984.46 and 109,839.44

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Solution

The fourth proportional to 251,994.25, 377,984.46 and 109,839.44 is: 164,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,994.25 : 377,984.46 = 109,839.44 : x
  2. Step 2: Convert to fraction form
    251,994.25/377,984.46 = 109,839.44/x
  3. Step 3: Cross multiply
    251,994.25x = 377,984.46 × 109,839.44
  4. Step 4: Simplify right side
    251,994.25x = 41,517,599,525.18
  5. Step 5: Solve for x
    x = 41,517,599,525.18/251,994.25
  6. Step 6: Final answer
    x = 164,756.14

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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.