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Finding the Fourth Proportional to 351,994.67, 485,749.71 and 199,062.88

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Solution

The fourth proportional to 351,994.67, 485,749.71 and 199,062.88 is: 274,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,994.67 : 485,749.71 = 199,062.88 : x
  2. Step 2: Convert to fraction form
    351,994.67/485,749.71 = 199,062.88/x
  3. Step 3: Cross multiply
    351,994.67x = 485,749.71 × 199,062.88
  4. Step 4: Simplify right side
    351,994.67x = 96,694,737,749.73
  5. Step 5: Solve for x
    x = 96,694,737,749.73/351,994.67
  6. Step 6: Final answer
    x = 274,705.12

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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.