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Finding the Fourth Proportional to 246,744.72, 340,494.84 and 144,756

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Solution

The fourth proportional to 246,744.72, 340,494.84 and 144,756 is: 199,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,744.72 : 340,494.84 = 144,756 : x
  2. Step 2: Convert to fraction form
    246,744.72/340,494.84 = 144,756/x
  3. Step 3: Cross multiply
    246,744.72x = 340,494.84 × 144,756
  4. Step 4: Simplify right side
    246,744.72x = 49,288,671,059.04
  5. Step 5: Solve for x
    x = 49,288,671,059.04/246,744.72
  6. Step 6: Final answer
    x = 199,755.73

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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.