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Finding the Fourth Proportional to 203,898.82, 305,974.52 and 118,549.84

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Solution

The fourth proportional to 203,898.82, 305,974.52 and 118,549.84 is: 177,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,898.82 : 305,974.52 = 118,549.84 : x
  2. Step 2: Convert to fraction form
    203,898.82/305,974.52 = 118,549.84/x
  3. Step 3: Cross multiply
    203,898.82x = 305,974.52 × 118,549.84
  4. Step 4: Simplify right side
    203,898.82x = 36,273,230,390.08
  5. Step 5: Solve for x
    x = 36,273,230,390.08/203,898.82
  6. Step 6: Final answer
    x = 177,898.19

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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.