Home / 403,930.42-557,398.62-222,632.37

Finding the Fourth Proportional to 403,930.42, 557,398.62 and 222,632.37

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Solution

The fourth proportional to 403,930.42, 557,398.62 and 222,632.37 is: 307,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,930.42 : 557,398.62 = 222,632.37 : x
  2. Step 2: Convert to fraction form
    403,930.42/557,398.62 = 222,632.37/x
  3. Step 3: Cross multiply
    403,930.42x = 557,398.62 × 222,632.37
  4. Step 4: Simplify right side
    403,930.42x = 124,094,975,805.33
  5. Step 5: Solve for x
    x = 124,094,975,805.33/403,930.42
  6. Step 6: Final answer
    x = 307,218.70

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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.