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Finding the Fourth Proportional to 454,847.76, 627,692.22 and 250,905.96

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Solution

The fourth proportional to 454,847.76, 627,692.22 and 250,905.96 is: 346,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,847.76 : 627,692.22 = 250,905.96 : x
  2. Step 2: Convert to fraction form
    454,847.76/627,692.22 = 250,905.96/x
  3. Step 3: Cross multiply
    454,847.76x = 627,692.22 × 250,905.96
  4. Step 4: Simplify right side
    454,847.76x = 157,491,719,043.63
  5. Step 5: Solve for x
    x = 157,491,719,043.63/454,847.76
  6. Step 6: Final answer
    x = 346,251.50

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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.