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Finding the Fourth Proportional to 339,349.73, 468,308.44 and 186,394.37

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Solution

The fourth proportional to 339,349.73, 468,308.44 and 186,394.37 is: 257,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,349.73 : 468,308.44 = 186,394.37 : x
  2. Step 2: Convert to fraction form
    339,349.73/468,308.44 = 186,394.37/x
  3. Step 3: Cross multiply
    339,349.73x = 468,308.44 × 186,394.37
  4. Step 4: Simplify right side
    339,349.73x = 87,290,053,482.47
  5. Step 5: Solve for x
    x = 87,290,053,482.47/339,349.73
  6. Step 6: Final answer
    x = 257,227.42

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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.