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Finding the Fourth Proportional to 218,692.98, 301,818.61 and 133,866.10

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Solution

The fourth proportional to 218,692.98, 301,818.61 and 133,866.10 is: 184,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,692.98 : 301,818.61 = 133,866.10 : x
  2. Step 2: Convert to fraction form
    218,692.98/301,818.61 = 133,866.10/x
  3. Step 3: Cross multiply
    218,692.98x = 301,818.61 × 133,866.10
  4. Step 4: Simplify right side
    218,692.98x = 40,403,280,228.12
  5. Step 5: Solve for x
    x = 40,403,280,228.12/218,692.98
  6. Step 6: Final answer
    x = 184,748.87

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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.