Home / 263,317.39-363,421.46-161,399.54

Finding the Fourth Proportional to 263,317.39, 363,421.46 and 161,399.54

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Solution

The fourth proportional to 263,317.39, 363,421.46 and 161,399.54 is: 222,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,317.39 : 363,421.46 = 161,399.54 : x
  2. Step 2: Convert to fraction form
    263,317.39/363,421.46 = 161,399.54/x
  3. Step 3: Cross multiply
    263,317.39x = 363,421.46 × 161,399.54
  4. Step 4: Simplify right side
    263,317.39x = 58,656,057,782.18
  5. Step 5: Solve for x
    x = 58,656,057,782.18/263,317.39
  6. Step 6: Final answer
    x = 222,758.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.