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Finding the Fourth Proportional to 449,468.49, 620,268.63 and 245,522.24

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Solution

The fourth proportional to 449,468.49, 620,268.63 and 245,522.24 is: 338,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,468.49 : 620,268.63 = 245,522.24 : x
  2. Step 2: Convert to fraction form
    449,468.49/620,268.63 = 245,522.24/x
  3. Step 3: Cross multiply
    449,468.49x = 620,268.63 × 245,522.24
  4. Step 4: Simplify right side
    449,468.49x = 152,289,743,439.33
  5. Step 5: Solve for x
    x = 152,289,743,439.33/449,468.49
  6. Step 6: Final answer
    x = 338,821.85

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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.