Home / 299,556.08-449,209.20-121,942.52

Finding the Fourth Proportional to 299,556.08, 449,209.20 and 121,942.52

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Solution

The fourth proportional to 299,556.08, 449,209.20 and 121,942.52 is: 182,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,556.08 : 449,209.20 = 121,942.52 : x
  2. Step 2: Convert to fraction form
    299,556.08/449,209.20 = 121,942.52/x
  3. Step 3: Cross multiply
    299,556.08x = 449,209.20 × 121,942.52
  4. Step 4: Simplify right side
    299,556.08x = 54,777,701,855.18
  5. Step 5: Solve for x
    x = 54,777,701,855.18/299,556.08
  6. Step 6: Final answer
    x = 182,862.93

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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.