Home / 306,214.61-422,566.92-170,251.56

Finding the Fourth Proportional to 306,214.61, 422,566.92 and 170,251.56

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Solution

The fourth proportional to 306,214.61, 422,566.92 and 170,251.56 is: 234,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,214.61 : 422,566.92 = 170,251.56 : x
  2. Step 2: Convert to fraction form
    306,214.61/422,566.92 = 170,251.56/x
  3. Step 3: Cross multiply
    306,214.61x = 422,566.92 × 170,251.56
  4. Step 4: Simplify right side
    306,214.61x = 71,942,677,334.40
  5. Step 5: Solve for x
    x = 71,942,677,334.40/306,214.61
  6. Step 6: Final answer
    x = 234,942.02

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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.