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Finding the Fourth Proportional to 267,951.51, 402,003.41 and 218,499.39

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Solution

The fourth proportional to 267,951.51, 402,003.41 and 218,499.39 is: 327,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,951.51 : 402,003.41 = 218,499.39 : x
  2. Step 2: Convert to fraction form
    267,951.51/402,003.41 = 218,499.39/x
  3. Step 3: Cross multiply
    267,951.51x = 402,003.41 × 218,499.39
  4. Step 4: Simplify right side
    267,951.51x = 87,837,498,770.42
  5. Step 5: Solve for x
    x = 87,837,498,770.42/267,951.51
  6. Step 6: Final answer
    x = 327,811.17

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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.