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Finding the Fourth Proportional to 536,203.80, 804,597.30 and 220,692.60

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Solution

The fourth proportional to 536,203.80, 804,597.30 and 220,692.60 is: 331,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,203.80 : 804,597.30 = 220,692.60 : x
  2. Step 2: Convert to fraction form
    536,203.80/804,597.30 = 220,692.60/x
  3. Step 3: Cross multiply
    536,203.80x = 804,597.30 × 220,692.60
  4. Step 4: Simplify right side
    536,203.80x = 177,568,670,089.98
  5. Step 5: Solve for x
    x = 177,568,670,089.98/536,203.80
  6. Step 6: Final answer
    x = 331,158.92

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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.