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Finding the Fourth Proportional to 268,563.53, 403,022.77 and 126,449.45

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Solution

The fourth proportional to 268,563.53, 403,022.77 and 126,449.45 is: 189,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,563.53 : 403,022.77 = 126,449.45 : x
  2. Step 2: Convert to fraction form
    268,563.53/403,022.77 = 126,449.45/x
  3. Step 3: Cross multiply
    268,563.53x = 403,022.77 × 126,449.45
  4. Step 4: Simplify right side
    268,563.53x = 50,962,004,956.62
  5. Step 5: Solve for x
    x = 50,962,004,956.62/268,563.53
  6. Step 6: Final answer
    x = 189,757.73

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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.