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Finding the Fourth Proportional to 291,614.40, 436,255.20 and 252,604.80

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Solution

The fourth proportional to 291,614.40, 436,255.20 and 252,604.80 is: 377,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,614.40 : 436,255.20 = 252,604.80 : x
  2. Step 2: Convert to fraction form
    291,614.40/436,255.20 = 252,604.80/x
  3. Step 3: Cross multiply
    291,614.40x = 436,255.20 × 252,604.80
  4. Step 4: Simplify right side
    291,614.40x = 110,200,157,544.96
  5. Step 5: Solve for x
    x = 110,200,157,544.96/291,614.40
  6. Step 6: Final answer
    x = 377,896.83

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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.