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Finding the Fourth Proportional to 378,167.06, 567,427.65 and 188,642.08

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Solution

The fourth proportional to 378,167.06, 567,427.65 and 188,642.08 is: 283,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,167.06 : 567,427.65 = 188,642.08 : x
  2. Step 2: Convert to fraction form
    378,167.06/567,427.65 = 188,642.08/x
  3. Step 3: Cross multiply
    378,167.06x = 567,427.65 × 188,642.08
  4. Step 4: Simplify right side
    378,167.06x = 107,040,732,147.39
  5. Step 5: Solve for x
    x = 107,040,732,147.39/378,167.06
  6. Step 6: Final answer
    x = 283,051.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.