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Finding the Fourth Proportional to 299,371.76, 449,286.04 and 110,011.56

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Solution

The fourth proportional to 299,371.76, 449,286.04 and 110,011.56 is: 165,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,371.76 : 449,286.04 = 110,011.56 : x
  2. Step 2: Convert to fraction form
    299,371.76/449,286.04 = 110,011.56/x
  3. Step 3: Cross multiply
    299,371.76x = 449,286.04 × 110,011.56
  4. Step 4: Simplify right side
    299,371.76x = 49,426,658,146.62
  5. Step 5: Solve for x
    x = 49,426,658,146.62/299,371.76
  6. Step 6: Final answer
    x = 165,101.27

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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.