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Finding the Fourth Proportional to 185,805.33, 278,609.59 and 73,481.01

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Solution

The fourth proportional to 185,805.33, 278,609.59 and 73,481.01 is: 110,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,805.33 : 278,609.59 = 73,481.01 : x
  2. Step 2: Convert to fraction form
    185,805.33/278,609.59 = 73,481.01/x
  3. Step 3: Cross multiply
    185,805.33x = 278,609.59 × 73,481.01
  4. Step 4: Simplify right side
    185,805.33x = 20,472,515,156.72
  5. Step 5: Solve for x
    x = 20,472,515,156.72/185,805.33
  6. Step 6: Final answer
    x = 110,182.60

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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.