Home / 403,932.80-557,401.91-222,634.75

Finding the Fourth Proportional to 403,932.80, 557,401.91 and 222,634.75

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Solution

The fourth proportional to 403,932.80, 557,401.91 and 222,634.75 is: 307,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,932.80 : 557,401.91 = 222,634.75 : x
  2. Step 2: Convert to fraction form
    403,932.80/557,401.91 = 222,634.75/x
  3. Step 3: Cross multiply
    403,932.80x = 557,401.91 × 222,634.75
  4. Step 4: Simplify right side
    403,932.80x = 124,097,030,982.19
  5. Step 5: Solve for x
    x = 124,097,030,982.19/403,932.80
  6. Step 6: Final answer
    x = 307,221.97

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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.