Home / 299,769.55-449,965.77-200,622.58

Finding the Fourth Proportional to 299,769.55, 449,965.77 and 200,622.58

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Solution

The fourth proportional to 299,769.55, 449,965.77 and 200,622.58 is: 301,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,769.55 : 449,965.77 = 200,622.58 : x
  2. Step 2: Convert to fraction form
    299,769.55/449,965.77 = 200,622.58/x
  3. Step 3: Cross multiply
    299,769.55x = 449,965.77 × 200,622.58
  4. Step 4: Simplify right side
    299,769.55x = 90,273,291,811.84
  5. Step 5: Solve for x
    x = 90,273,291,811.84/299,769.55
  6. Step 6: Final answer
    x = 301,142.30

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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.