Home / 306,214.44-422,590-170,262.34

Finding the Fourth Proportional to 306,214.44, 422,590 and 170,262.34

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Solution

The fourth proportional to 306,214.44, 422,590 and 170,262.34 is: 234,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,214.44 : 422,590 = 170,262.34 : x
  2. Step 2: Convert to fraction form
    306,214.44/422,590 = 170,262.34/x
  3. Step 3: Cross multiply
    306,214.44x = 422,590 × 170,262.34
  4. Step 4: Simplify right side
    306,214.44x = 71,951,162,260.60
  5. Step 5: Solve for x
    x = 71,951,162,260.60/306,214.44
  6. Step 6: Final answer
    x = 234,969.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.