Home / 214,318.33-321,411.86-148,183.45

Finding the Fourth Proportional to 214,318.33, 321,411.86 and 148,183.45

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Solution

The fourth proportional to 214,318.33, 321,411.86 and 148,183.45 is: 222,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,318.33 : 321,411.86 = 148,183.45 : x
  2. Step 2: Convert to fraction form
    214,318.33/321,411.86 = 148,183.45/x
  3. Step 3: Cross multiply
    214,318.33x = 321,411.86 × 148,183.45
  4. Step 4: Simplify right side
    214,318.33x = 47,627,915,937.74
  5. Step 5: Solve for x
    x = 47,627,915,937.74/214,318.33
  6. Step 6: Final answer
    x = 222,229.79

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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.