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Finding the Fourth Proportional to 363,087, 501,077.82 and 201,938.61

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Solution

The fourth proportional to 363,087, 501,077.82 and 201,938.61 is: 278,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,087 : 501,077.82 = 201,938.61 : x
  2. Step 2: Convert to fraction form
    363,087/501,077.82 = 201,938.61/x
  3. Step 3: Cross multiply
    363,087x = 501,077.82 × 201,938.61
  4. Step 4: Simplify right side
    363,087x = 101,186,958,472.63
  5. Step 5: Solve for x
    x = 101,186,958,472.63/363,087
  6. Step 6: Final answer
    x = 278,685.16

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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.