Home / 215,308-322,867.76-108,626.32

Finding the Fourth Proportional to 215,308, 322,867.76 and 108,626.32

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Solution

The fourth proportional to 215,308, 322,867.76 and 108,626.32 is: 162,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,308 : 322,867.76 = 108,626.32 : x
  2. Step 2: Convert to fraction form
    215,308/322,867.76 = 108,626.32/x
  3. Step 3: Cross multiply
    215,308x = 322,867.76 × 108,626.32
  4. Step 4: Simplify right side
    215,308x = 35,071,936,615.44
  5. Step 5: Solve for x
    x = 35,071,936,615.44/215,308
  6. Step 6: Final answer
    x = 162,891.93

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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.