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Finding the Fourth Proportional to 449,527.25, 620,365.43 and 258,540.41

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Solution

The fourth proportional to 449,527.25, 620,365.43 and 258,540.41 is: 356,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,527.25 : 620,365.43 = 258,540.41 : x
  2. Step 2: Convert to fraction form
    449,527.25/620,365.43 = 258,540.41/x
  3. Step 3: Cross multiply
    449,527.25x = 620,365.43 × 258,540.41
  4. Step 4: Simplify right side
    449,527.25x = 160,389,532,622.03
  5. Step 5: Solve for x
    x = 160,389,532,622.03/449,527.25
  6. Step 6: Final answer
    x = 356,796.02

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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.