Home / 400,850.22-553,144.92-228,727.85

Finding the Fourth Proportional to 400,850.22, 553,144.92 and 228,727.85

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Solution

The fourth proportional to 400,850.22, 553,144.92 and 228,727.85 is: 315,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,850.22 : 553,144.92 = 228,727.85 : x
  2. Step 2: Convert to fraction form
    400,850.22/553,144.92 = 228,727.85/x
  3. Step 3: Cross multiply
    400,850.22x = 553,144.92 × 228,727.85
  4. Step 4: Simplify right side
    400,850.22x = 126,519,649,707.90
  5. Step 5: Solve for x
    x = 126,519,649,707.90/400,850.22
  6. Step 6: Final answer
    x = 315,628.24

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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.