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Finding the Fourth Proportional to 281,313.60, 422,164.80 and 202,495.20

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Solution

The fourth proportional to 281,313.60, 422,164.80 and 202,495.20 is: 303,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,313.60 : 422,164.80 = 202,495.20 : x
  2. Step 2: Convert to fraction form
    281,313.60/422,164.80 = 202,495.20/x
  3. Step 3: Cross multiply
    281,313.60x = 422,164.80 × 202,495.20
  4. Step 4: Simplify right side
    281,313.60x = 85,486,345,608.96
  5. Step 5: Solve for x
    x = 85,486,345,608.96/281,313.60
  6. Step 6: Final answer
    x = 303,882.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.