Home / 398,849.43-597,775.24-199,225.54

Finding the Fourth Proportional to 398,849.43, 597,775.24 and 199,225.54

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Solution

The fourth proportional to 398,849.43, 597,775.24 and 199,225.54 is: 298,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,849.43 : 597,775.24 = 199,225.54 : x
  2. Step 2: Convert to fraction form
    398,849.43/597,775.24 = 199,225.54/x
  3. Step 3: Cross multiply
    398,849.43x = 597,775.24 × 199,225.54
  4. Step 4: Simplify right side
    398,849.43x = 119,092,094,987.63
  5. Step 5: Solve for x
    x = 119,092,094,987.63/398,849.43
  6. Step 6: Final answer
    x = 298,589.11

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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.