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Finding the Fourth Proportional to 297,365.44, 410,363.27 and 161,399.38

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Solution

The fourth proportional to 297,365.44, 410,363.27 and 161,399.38 is: 222,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,365.44 : 410,363.27 = 161,399.38 : x
  2. Step 2: Convert to fraction form
    297,365.44/410,363.27 = 161,399.38/x
  3. Step 3: Cross multiply
    297,365.44x = 410,363.27 × 161,399.38
  4. Step 4: Simplify right side
    297,365.44x = 66,232,377,594.76
  5. Step 5: Solve for x
    x = 66,232,377,594.76/297,365.44
  6. Step 6: Final answer
    x = 222,730.59

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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.