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Finding the Fourth Proportional to 295,808.42, 443,712.63 and 270,147.62

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Solution

The fourth proportional to 295,808.42, 443,712.63 and 270,147.62 is: 405,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,808.42 : 443,712.63 = 270,147.62 : x
  2. Step 2: Convert to fraction form
    295,808.42/443,712.63 = 270,147.62/x
  3. Step 3: Cross multiply
    295,808.42x = 443,712.63 × 270,147.62
  4. Step 4: Simplify right side
    295,808.42x = 119,867,910,958.44
  5. Step 5: Solve for x
    x = 119,867,910,958.44/295,808.42
  6. Step 6: Final answer
    x = 405,221.43

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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.