Home / 403,857.56-557,233.62-231,764.96

Finding the Fourth Proportional to 403,857.56, 557,233.62 and 231,764.96

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Solution

The fourth proportional to 403,857.56, 557,233.62 and 231,764.96 is: 319,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,857.56 : 557,233.62 = 231,764.96 : x
  2. Step 2: Convert to fraction form
    403,857.56/557,233.62 = 231,764.96/x
  3. Step 3: Cross multiply
    403,857.56x = 557,233.62 × 231,764.96
  4. Step 4: Simplify right side
    403,857.56x = 129,147,227,649.96
  5. Step 5: Solve for x
    x = 129,147,227,649.96/403,857.56
  6. Step 6: Final answer
    x = 319,784.10

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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.