Home / 299,974.10-450,086.22-131,615.43

Finding the Fourth Proportional to 299,974.10, 450,086.22 and 131,615.43

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Solution

The fourth proportional to 299,974.10, 450,086.22 and 131,615.43 is: 197,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,974.10 : 450,086.22 = 131,615.43 : x
  2. Step 2: Convert to fraction form
    299,974.10/450,086.22 = 131,615.43/x
  3. Step 3: Cross multiply
    299,974.10x = 450,086.22 × 131,615.43
  4. Step 4: Simplify right side
    299,974.10x = 59,238,292,226.29
  5. Step 5: Solve for x
    x = 59,238,292,226.29/299,974.10
  6. Step 6: Final answer
    x = 197,478.02

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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.