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Finding the Fourth Proportional to 144,692.64, 217,072.62 and 44,847.54

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Solution

The fourth proportional to 144,692.64, 217,072.62 and 44,847.54 is: 67,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,692.64 : 217,072.62 = 44,847.54 : x
  2. Step 2: Convert to fraction form
    144,692.64/217,072.62 = 44,847.54/x
  3. Step 3: Cross multiply
    144,692.64x = 217,072.62 × 44,847.54
  4. Step 4: Simplify right side
    144,692.64x = 9,735,173,008.35
  5. Step 5: Solve for x
    x = 9,735,173,008.35/144,692.64
  6. Step 6: Final answer
    x = 67,281.74

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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.