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Finding the Fourth Proportional to 297,326.36, 410,310.70 and 161,360.37

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Solution

The fourth proportional to 297,326.36, 410,310.70 and 161,360.37 is: 222,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,326.36 : 410,310.70 = 161,360.37 : x
  2. Step 2: Convert to fraction form
    297,326.36/410,310.70 = 161,360.37/x
  3. Step 3: Cross multiply
    297,326.36x = 410,310.70 × 161,360.37
  4. Step 4: Simplify right side
    297,326.36x = 66,207,885,963.56
  5. Step 5: Solve for x
    x = 66,207,885,963.56/297,326.36
  6. Step 6: Final answer
    x = 222,677.48

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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.