Home / 214,353.67-321,464.82-148,218.79

Finding the Fourth Proportional to 214,353.67, 321,464.82 and 148,218.79

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Solution

The fourth proportional to 214,353.67, 321,464.82 and 148,218.79 is: 222,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,353.67 : 321,464.82 = 148,218.79 : x
  2. Step 2: Convert to fraction form
    214,353.67/321,464.82 = 148,218.79/x
  3. Step 3: Cross multiply
    214,353.67x = 321,464.82 × 148,218.79
  4. Step 4: Simplify right side
    214,353.67x = 47,647,126,647.97
  5. Step 5: Solve for x
    x = 47,647,126,647.97/214,353.67
  6. Step 6: Final answer
    x = 222,282.77

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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.