Home / 400,440.31-552,669.58-228,358.54

Finding the Fourth Proportional to 400,440.31, 552,669.58 and 228,358.54

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Solution

The fourth proportional to 400,440.31, 552,669.58 and 228,358.54 is: 315,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,440.31 : 552,669.58 = 228,358.54 : x
  2. Step 2: Convert to fraction form
    400,440.31/552,669.58 = 228,358.54/x
  3. Step 3: Cross multiply
    400,440.31x = 552,669.58 × 228,358.54
  4. Step 4: Simplify right side
    400,440.31x = 126,206,819,367.50
  5. Step 5: Solve for x
    x = 126,206,819,367.50/400,440.31
  6. Step 6: Final answer
    x = 315,170.12

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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.