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Finding the Fourth Proportional to 295,805.42, 443,708.13 and 270,144.62

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Solution

The fourth proportional to 295,805.42, 443,708.13 and 270,144.62 is: 405,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,805.42 : 443,708.13 = 270,144.62 : x
  2. Step 2: Convert to fraction form
    295,805.42/443,708.13 = 270,144.62/x
  3. Step 3: Cross multiply
    295,805.42x = 443,708.13 × 270,144.62
  4. Step 4: Simplify right side
    295,805.42x = 119,865,361,951.22
  5. Step 5: Solve for x
    x = 119,865,361,951.22/295,805.42
  6. Step 6: Final answer
    x = 405,216.93

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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.