Home / 299,769.30-449,965.40-200,622.32

Finding the Fourth Proportional to 299,769.30, 449,965.40 and 200,622.32

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Solution

The fourth proportional to 299,769.30, 449,965.40 and 200,622.32 is: 301,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,769.30 : 449,965.40 = 200,622.32 : x
  2. Step 2: Convert to fraction form
    299,769.30/449,965.40 = 200,622.32/x
  3. Step 3: Cross multiply
    299,769.30x = 449,965.40 × 200,622.32
  4. Step 4: Simplify right side
    299,769.30x = 90,273,102,467.73
  5. Step 5: Solve for x
    x = 90,273,102,467.73/299,769.30
  6. Step 6: Final answer
    x = 301,141.92

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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.