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Finding the Fourth Proportional to 223,780.77, 335,591.21 and 73,993.41

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Solution

The fourth proportional to 223,780.77, 335,591.21 and 73,993.41 is: 110,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,780.77 : 335,591.21 = 73,993.41 : x
  2. Step 2: Convert to fraction form
    223,780.77/335,591.21 = 73,993.41/x
  3. Step 3: Cross multiply
    223,780.77x = 335,591.21 × 73,993.41
  4. Step 4: Simplify right side
    223,780.77x = 24,831,537,623.96
  5. Step 5: Solve for x
    x = 24,831,537,623.96/223,780.77
  6. Step 6: Final answer
    x = 110,963.68

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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.