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Finding the Fourth Proportional to 203,379.39, 305,069.22 and 177,102.72

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Solution

The fourth proportional to 203,379.39, 305,069.22 and 177,102.72 is: 265,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,379.39 : 305,069.22 = 177,102.72 : x
  2. Step 2: Convert to fraction form
    203,379.39/305,069.22 = 177,102.72/x
  3. Step 3: Cross multiply
    203,379.39x = 305,069.22 × 177,102.72
  4. Step 4: Simplify right side
    203,379.39x = 54,028,588,650.28
  5. Step 5: Solve for x
    x = 54,028,588,650.28/203,379.39
  6. Step 6: Final answer
    x = 265,654.20

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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.