Home / 436,769.87-655,183.06-137,262.96

Finding the Fourth Proportional to 436,769.87, 655,183.06 and 137,262.96

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Solution

The fourth proportional to 436,769.87, 655,183.06 and 137,262.96 is: 205,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,769.87 : 655,183.06 = 137,262.96 : x
  2. Step 2: Convert to fraction form
    436,769.87/655,183.06 = 137,262.96/x
  3. Step 3: Cross multiply
    436,769.87x = 655,183.06 × 137,262.96
  4. Step 4: Simplify right side
    436,769.87x = 89,932,365,814.30
  5. Step 5: Solve for x
    x = 89,932,365,814.30/436,769.87
  6. Step 6: Final answer
    x = 205,903.32

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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.