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Finding the Fourth Proportional to 409,744.44, 565,450.22 and 228,468.24

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Solution

The fourth proportional to 409,744.44, 565,450.22 and 228,468.24 is: 315,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,744.44 : 565,450.22 = 228,468.24 : x
  2. Step 2: Convert to fraction form
    409,744.44/565,450.22 = 228,468.24/x
  3. Step 3: Cross multiply
    409,744.44x = 565,450.22 × 228,468.24
  4. Step 4: Simplify right side
    409,744.44x = 129,187,416,571.01
  5. Step 5: Solve for x
    x = 129,187,416,571.01/409,744.44
  6. Step 6: Final answer
    x = 315,287.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.