Home / 214,610.05-321,288.83-160,813.20

Finding the Fourth Proportional to 214,610.05, 321,288.83 and 160,813.20

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Solution

The fourth proportional to 214,610.05, 321,288.83 and 160,813.20 is: 240,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,610.05 : 321,288.83 = 160,813.20 : x
  2. Step 2: Convert to fraction form
    214,610.05/321,288.83 = 160,813.20/x
  3. Step 3: Cross multiply
    214,610.05x = 321,288.83 × 160,813.20
  4. Step 4: Simplify right side
    214,610.05x = 51,667,484,072.49
  5. Step 5: Solve for x
    x = 51,667,484,072.49/214,610.05
  6. Step 6: Final answer
    x = 240,750.54

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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.