Home / 398,968.15-597,953.26-199,344.73

Finding the Fourth Proportional to 398,968.15, 597,953.26 and 199,344.73

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Solution

The fourth proportional to 398,968.15, 597,953.26 and 199,344.73 is: 298,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,968.15 : 597,953.26 = 199,344.73 : x
  2. Step 2: Convert to fraction form
    398,968.15/597,953.26 = 199,344.73/x
  3. Step 3: Cross multiply
    398,968.15x = 597,953.26 × 199,344.73
  4. Step 4: Simplify right side
    398,968.15x = 119,198,831,167.32
  5. Step 5: Solve for x
    x = 119,198,831,167.32/398,968.15
  6. Step 6: Final answer
    x = 298,767.79

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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.