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Finding the Fourth Proportional to 325,692.30, 488,584.82 and 101,072.14

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Solution

The fourth proportional to 325,692.30, 488,584.82 and 101,072.14 is: 151,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,692.30 : 488,584.82 = 101,072.14 : x
  2. Step 2: Convert to fraction form
    325,692.30/488,584.82 = 101,072.14/x
  3. Step 3: Cross multiply
    325,692.30x = 488,584.82 × 101,072.14
  4. Step 4: Simplify right side
    325,692.30x = 49,382,313,328.91
  5. Step 5: Solve for x
    x = 49,382,313,328.91/325,692.30
  6. Step 6: Final answer
    x = 151,622.60

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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.