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Finding the Fourth Proportional to 246,303.41, 339,893.90 and 138,871.36

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Solution

The fourth proportional to 246,303.41, 339,893.90 and 138,871.36 is: 191,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,303.41 : 339,893.90 = 138,871.36 : x
  2. Step 2: Convert to fraction form
    246,303.41/339,893.90 = 138,871.36/x
  3. Step 3: Cross multiply
    246,303.41x = 339,893.90 × 138,871.36
  4. Step 4: Simplify right side
    246,303.41x = 47,201,526,449.23
  5. Step 5: Solve for x
    x = 47,201,526,449.23/246,303.41
  6. Step 6: Final answer
    x = 191,639.76

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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.