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Finding the Fourth Proportional to 363,609, 501,770.30 and 202,463.96

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Solution

The fourth proportional to 363,609, 501,770.30 and 202,463.96 is: 279,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,609 : 501,770.30 = 202,463.96 : x
  2. Step 2: Convert to fraction form
    363,609/501,770.30 = 202,463.96/x
  3. Step 3: Cross multiply
    363,609x = 501,770.30 × 202,463.96
  4. Step 4: Simplify right side
    363,609x = 101,590,398,427.22
  5. Step 5: Solve for x
    x = 101,590,398,427.22/363,609
  6. Step 6: Final answer
    x = 279,394.62

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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.