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Finding the Fourth Proportional to 185,372.98, 277,872.50 and 73,009.78

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Solution

The fourth proportional to 185,372.98, 277,872.50 and 73,009.78 is: 109,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,372.98 : 277,872.50 = 73,009.78 : x
  2. Step 2: Convert to fraction form
    185,372.98/277,872.50 = 73,009.78/x
  3. Step 3: Cross multiply
    185,372.98x = 277,872.50 × 73,009.78
  4. Step 4: Simplify right side
    185,372.98x = 20,287,410,093.05
  5. Step 5: Solve for x
    x = 20,287,410,093.05/185,372.98
  6. Step 6: Final answer
    x = 109,441.03

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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.