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Finding the Fourth Proportional to 436,253.12, 654,375.22 and 170,200.52

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Solution

The fourth proportional to 436,253.12, 654,375.22 and 170,200.52 is: 255,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,253.12 : 654,375.22 = 170,200.52 : x
  2. Step 2: Convert to fraction form
    436,253.12/654,375.22 = 170,200.52/x
  3. Step 3: Cross multiply
    436,253.12x = 654,375.22 × 170,200.52
  4. Step 4: Simplify right side
    436,253.12x = 111,374,998,596.24
  5. Step 5: Solve for x
    x = 111,374,998,596.24/436,253.12
  6. Step 6: Final answer
    x = 255,299.03

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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.