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Finding the Fourth Proportional to 297,627.82, 410,731.36 and 161,662.03

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Solution

The fourth proportional to 297,627.82, 410,731.36 and 161,662.03 is: 223,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,627.82 : 410,731.36 = 161,662.03 : x
  2. Step 2: Convert to fraction form
    297,627.82/410,731.36 = 161,662.03/x
  3. Step 3: Cross multiply
    297,627.82x = 410,731.36 × 161,662.03
  4. Step 4: Simplify right side
    297,627.82x = 66,399,664,011.28
  5. Step 5: Solve for x
    x = 66,399,664,011.28/297,627.82
  6. Step 6: Final answer
    x = 223,096.30

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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.