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Finding the Fourth Proportional to 297,290.11, 410,258.25 and 161,320.60

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Solution

The fourth proportional to 297,290.11, 410,258.25 and 161,320.60 is: 222,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,290.11 : 410,258.25 = 161,320.60 : x
  2. Step 2: Convert to fraction form
    297,290.11/410,258.25 = 161,320.60/x
  3. Step 3: Cross multiply
    297,290.11x = 410,258.25 × 161,320.60
  4. Step 4: Simplify right side
    297,290.11x = 66,183,107,044.95
  5. Step 5: Solve for x
    x = 66,183,107,044.95/297,290.11
  6. Step 6: Final answer
    x = 222,621.29

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1.5x scale

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.