Home / 214,829.40-321,936.90-158,227.80

Finding the Fourth Proportional to 214,829.40, 321,936.90 and 158,227.80

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Solution

The fourth proportional to 214,829.40, 321,936.90 and 158,227.80 is: 237,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,829.40 : 321,936.90 = 158,227.80 : x
  2. Step 2: Convert to fraction form
    214,829.40/321,936.90 = 158,227.80/x
  3. Step 3: Cross multiply
    214,829.40x = 321,936.90 × 158,227.80
  4. Step 4: Simplify right side
    214,829.40x = 50,939,367,425.82
  5. Step 5: Solve for x
    x = 50,939,367,425.82/214,829.40
  6. Step 6: Final answer
    x = 237,115.44

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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.