Home / 548,768.88-823,128.62-228,788.91

Finding the Fourth Proportional to 548,768.88, 823,128.62 and 228,788.91

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Solution

The fourth proportional to 548,768.88, 823,128.62 and 228,788.91 is: 343,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,768.88 : 823,128.62 = 228,788.91 : x
  2. Step 2: Convert to fraction form
    548,768.88/823,128.62 = 228,788.91/x
  3. Step 3: Cross multiply
    548,768.88x = 823,128.62 × 228,788.91
  4. Step 4: Simplify right side
    548,768.88x = 188,322,698,615.66
  5. Step 5: Solve for x
    x = 188,322,698,615.66/548,768.88
  6. Step 6: Final answer
    x = 343,173.07

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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.