Home / 547,622.70-821,556.45-192,648.30

Finding the Fourth Proportional to 547,622.70, 821,556.45 and 192,648.30

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Solution

The fourth proportional to 547,622.70, 821,556.45 and 192,648.30 is: 289,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,622.70 : 821,556.45 = 192,648.30 : x
  2. Step 2: Convert to fraction form
    547,622.70/821,556.45 = 192,648.30/x
  3. Step 3: Cross multiply
    547,622.70x = 821,556.45 × 192,648.30
  4. Step 4: Simplify right side
    547,622.70x = 158,271,453,446.54
  5. Step 5: Solve for x
    x = 158,271,453,446.54/547,622.70
  6. Step 6: Final answer
    x = 289,015.51

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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.