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Finding the Fourth Proportional to 218,602.26, 327,994.11 and 104,692.77

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Solution

The fourth proportional to 218,602.26, 327,994.11 and 104,692.77 is: 157,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,602.26 : 327,994.11 = 104,692.77 : x
  2. Step 2: Convert to fraction form
    218,602.26/327,994.11 = 104,692.77/x
  3. Step 3: Cross multiply
    218,602.26x = 327,994.11 × 104,692.77
  4. Step 4: Simplify right side
    218,602.26x = 34,338,611,919.58
  5. Step 5: Solve for x
    x = 34,338,611,919.58/218,602.26
  6. Step 6: Final answer
    x = 157,082.60

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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.