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Finding the Fourth Proportional to 246,344.83, 339,967.49 and 138,912.56

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Solution

The fourth proportional to 246,344.83, 339,967.49 and 138,912.56 is: 191,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,344.83 : 339,967.49 = 138,912.56 : x
  2. Step 2: Convert to fraction form
    246,344.83/339,967.49 = 138,912.56/x
  3. Step 3: Cross multiply
    246,344.83x = 339,967.49 × 138,912.56
  4. Step 4: Simplify right side
    246,344.83x = 47,225,754,352.67
  5. Step 5: Solve for x
    x = 47,225,754,352.67/246,344.83
  6. Step 6: Final answer
    x = 191,705.89

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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.