Home / 214,889.82-321,439.68-198,946.59

Finding the Fourth Proportional to 214,889.82, 321,439.68 and 198,946.59

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Solution

The fourth proportional to 214,889.82, 321,439.68 and 198,946.59 is: 297,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,889.82 : 321,439.68 = 198,946.59 : x
  2. Step 2: Convert to fraction form
    214,889.82/321,439.68 = 198,946.59/x
  3. Step 3: Cross multiply
    214,889.82x = 321,439.68 × 198,946.59
  4. Step 4: Simplify right side
    214,889.82x = 63,949,328,226.69
  5. Step 5: Solve for x
    x = 63,949,328,226.69/214,889.82
  6. Step 6: Final answer
    x = 297,591.24

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1.5x scale

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.