Home / 214,247.68-321,270.78-79,218.46

Finding the Fourth Proportional to 214,247.68, 321,270.78 and 79,218.46

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Solution

The fourth proportional to 214,247.68, 321,270.78 and 79,218.46 is: 118,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,247.68 : 321,270.78 = 79,218.46 : x
  2. Step 2: Convert to fraction form
    214,247.68/321,270.78 = 79,218.46/x
  3. Step 3: Cross multiply
    214,247.68x = 321,270.78 × 79,218.46
  4. Step 4: Simplify right side
    214,247.68x = 25,450,576,434.60
  5. Step 5: Solve for x
    x = 25,450,576,434.60/214,247.68
  6. Step 6: Final answer
    x = 118,790.44

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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.