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Finding the Fourth Proportional to 299,768.36, 449,520.78 and 159,493.64

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Solution

The fourth proportional to 299,768.36, 449,520.78 and 159,493.64 is: 239,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,768.36 : 449,520.78 = 159,493.64 : x
  2. Step 2: Convert to fraction form
    299,768.36/449,520.78 = 159,493.64/x
  3. Step 3: Cross multiply
    299,768.36x = 449,520.78 × 159,493.64
  4. Step 4: Simplify right side
    299,768.36x = 71,695,705,457.84
  5. Step 5: Solve for x
    x = 71,695,705,457.84/299,768.36
  6. Step 6: Final answer
    x = 239,170.36

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1.5x scale

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.