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Finding the Fourth Proportional to 251,414, 377,047.19 and 73,878.80

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Solution

The fourth proportional to 251,414, 377,047.19 and 73,878.80 is: 110,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,414 : 377,047.19 = 73,878.80 : x
  2. Step 2: Convert to fraction form
    251,414/377,047.19 = 73,878.80/x
  3. Step 3: Cross multiply
    251,414x = 377,047.19 × 73,878.80
  4. Step 4: Simplify right side
    251,414x = 27,855,793,571.18
  5. Step 5: Solve for x
    x = 27,855,793,571.18/251,414
  6. Step 6: Final answer
    x = 110,796.51

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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.