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Finding the Fourth Proportional to 199,449.44, 276,404.63 and 195,664.56

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Solution

The fourth proportional to 199,449.44, 276,404.63 and 195,664.56 is: 271,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,449.44 : 276,404.63 = 195,664.56 : x
  2. Step 2: Convert to fraction form
    199,449.44/276,404.63 = 195,664.56/x
  3. Step 3: Cross multiply
    199,449.44x = 276,404.63 × 195,664.56
  4. Step 4: Simplify right side
    199,449.44x = 54,082,590,800.07
  5. Step 5: Solve for x
    x = 54,082,590,800.07/199,449.44
  6. Step 6: Final answer
    x = 271,159.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.