Home / 455,271.20-682,906.80-218,556.80

Finding the Fourth Proportional to 455,271.20, 682,906.80 and 218,556.80

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Solution

The fourth proportional to 455,271.20, 682,906.80 and 218,556.80 is: 327,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,271.20 : 682,906.80 = 218,556.80 : x
  2. Step 2: Convert to fraction form
    455,271.20/682,906.80 = 218,556.80/x
  3. Step 3: Cross multiply
    455,271.20x = 682,906.80 × 218,556.80
  4. Step 4: Simplify right side
    455,271.20x = 149,253,924,906.24
  5. Step 5: Solve for x
    x = 149,253,924,906.24/455,271.20
  6. Step 6: Final answer
    x = 327,835.20

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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.