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Finding the Fourth Proportional to 295,806.42, 443,709.63 and 270,145.62

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Solution

The fourth proportional to 295,806.42, 443,709.63 and 270,145.62 is: 405,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,806.42 : 443,709.63 = 270,145.62 : x
  2. Step 2: Convert to fraction form
    295,806.42/443,709.63 = 270,145.62/x
  3. Step 3: Cross multiply
    295,806.42x = 443,709.63 × 270,145.62
  4. Step 4: Simplify right side
    295,806.42x = 119,866,213,096.32
  5. Step 5: Solve for x
    x = 119,866,213,096.32/295,806.42
  6. Step 6: Final answer
    x = 405,218.43

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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.