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Finding the Fourth Proportional to 246,198.92, 339,750.42 and 138,769.16

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Solution

The fourth proportional to 246,198.92, 339,750.42 and 138,769.16 is: 191,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,198.92 : 339,750.42 = 138,769.16 : x
  2. Step 2: Convert to fraction form
    246,198.92/339,750.42 = 138,769.16/x
  3. Step 3: Cross multiply
    246,198.92x = 339,750.42 × 138,769.16
  4. Step 4: Simplify right side
    246,198.92x = 47,146,880,393.05
  5. Step 5: Solve for x
    x = 47,146,880,393.05/246,198.92
  6. Step 6: Final answer
    x = 191,499.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.