Home / 399,270.25-598,380.49-196,977.61

Finding the Fourth Proportional to 399,270.25, 598,380.49 and 196,977.61

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Solution

The fourth proportional to 399,270.25, 598,380.49 and 196,977.61 is: 295,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,270.25 : 598,380.49 = 196,977.61 : x
  2. Step 2: Convert to fraction form
    399,270.25/598,380.49 = 196,977.61/x
  3. Step 3: Cross multiply
    399,270.25x = 598,380.49 × 196,977.61
  4. Step 4: Simplify right side
    399,270.25x = 117,867,558,790.83
  5. Step 5: Solve for x
    x = 117,867,558,790.83/399,270.25
  6. Step 6: Final answer
    x = 295,207.47

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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.