Home / 251,326.78-346,507.58-205,837.18

Finding the Fourth Proportional to 251,326.78, 346,507.58 and 205,837.18

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Solution

The fourth proportional to 251,326.78, 346,507.58 and 205,837.18 is: 283,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,326.78 : 346,507.58 = 205,837.18 : x
  2. Step 2: Convert to fraction form
    251,326.78/346,507.58 = 205,837.18/x
  3. Step 3: Cross multiply
    251,326.78x = 346,507.58 × 205,837.18
  4. Step 4: Simplify right side
    251,326.78x = 71,324,143,115.82
  5. Step 5: Solve for x
    x = 71,324,143,115.82/251,326.78
  6. Step 6: Final answer
    x = 283,790.46

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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.