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Finding the Fourth Proportional to 325,584.56, 449,759.44 and 245,627.84

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Solution

The fourth proportional to 325,584.56, 449,759.44 and 245,627.84 is: 339,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,584.56 : 449,759.44 = 245,627.84 : x
  2. Step 2: Convert to fraction form
    325,584.56/449,759.44 = 245,627.84/x
  3. Step 3: Cross multiply
    325,584.56x = 449,759.44 × 245,627.84
  4. Step 4: Simplify right side
    325,584.56x = 110,473,439,766.81
  5. Step 5: Solve for x
    x = 110,473,439,766.81/325,584.56
  6. Step 6: Final answer
    x = 339,307.98

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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.