Home / 306,198.50-422,563.10-168,370.29

Finding the Fourth Proportional to 306,198.50, 422,563.10 and 168,370.29

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Solution

The fourth proportional to 306,198.50, 422,563.10 and 168,370.29 is: 232,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,198.50 : 422,563.10 = 168,370.29 : x
  2. Step 2: Convert to fraction form
    306,198.50/422,563.10 = 168,370.29/x
  3. Step 3: Cross multiply
    306,198.50x = 422,563.10 × 168,370.29
  4. Step 4: Simplify right side
    306,198.50x = 71,147,070,848.45
  5. Step 5: Solve for x
    x = 71,147,070,848.45/306,198.50
  6. Step 6: Final answer
    x = 232,356.04

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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.