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Finding the Fourth Proportional to 297,796.20, 446,694.30 and 164,607.90

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Solution

The fourth proportional to 297,796.20, 446,694.30 and 164,607.90 is: 246,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,796.20 : 446,694.30 = 164,607.90 : x
  2. Step 2: Convert to fraction form
    297,796.20/446,694.30 = 164,607.90/x
  3. Step 3: Cross multiply
    297,796.20x = 446,694.30 × 164,607.90
  4. Step 4: Simplify right side
    297,796.20x = 73,529,410,664.97
  5. Step 5: Solve for x
    x = 73,529,410,664.97/297,796.20
  6. Step 6: Final answer
    x = 246,911.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.