Home / 505,265.43-757,452.24-205,996.35

Finding the Fourth Proportional to 505,265.43, 757,452.24 and 205,996.35

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Solution

The fourth proportional to 505,265.43, 757,452.24 and 205,996.35 is: 308,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,265.43 : 757,452.24 = 205,996.35 : x
  2. Step 2: Convert to fraction form
    505,265.43/757,452.24 = 205,996.35/x
  3. Step 3: Cross multiply
    505,265.43x = 757,452.24 × 205,996.35
  4. Step 4: Simplify right side
    505,265.43x = 156,032,396,739.32
  5. Step 5: Solve for x
    x = 156,032,396,739.32/505,265.43
  6. Step 6: Final answer
    x = 308,812.73

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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.