Home / 499,922.88-749,880.68-200,399.10

Finding the Fourth Proportional to 499,922.88, 749,880.68 and 200,399.10

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Solution

The fourth proportional to 499,922.88, 749,880.68 and 200,399.10 is: 300,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,922.88 : 749,880.68 = 200,399.10 : x
  2. Step 2: Convert to fraction form
    499,922.88/749,880.68 = 200,399.10/x
  3. Step 3: Cross multiply
    499,922.88x = 749,880.68 × 200,399.10
  4. Step 4: Simplify right side
    499,922.88x = 150,275,413,379.39
  5. Step 5: Solve for x
    x = 150,275,413,379.39/499,922.88
  6. Step 6: Final answer
    x = 300,597.19

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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.