Home / 213,928.62-321,054.33-146,299.06

Finding the Fourth Proportional to 213,928.62, 321,054.33 and 146,299.06

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Solution

The fourth proportional to 213,928.62, 321,054.33 and 146,299.06 is: 219,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,928.62 : 321,054.33 = 146,299.06 : x
  2. Step 2: Convert to fraction form
    213,928.62/321,054.33 = 146,299.06/x
  3. Step 3: Cross multiply
    213,928.62x = 321,054.33 × 146,299.06
  4. Step 4: Simplify right side
    213,928.62x = 46,969,944,351.16
  5. Step 5: Solve for x
    x = 46,969,944,351.16/213,928.62
  6. Step 6: Final answer
    x = 219,558.96

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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.