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Finding the Fourth Proportional to 149,654.40, 224,512.80 and 49,845.60

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Solution

The fourth proportional to 149,654.40, 224,512.80 and 49,845.60 is: 74,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,654.40 : 224,512.80 = 49,845.60 : x
  2. Step 2: Convert to fraction form
    149,654.40/224,512.80 = 49,845.60/x
  3. Step 3: Cross multiply
    149,654.40x = 224,512.80 × 49,845.60
  4. Step 4: Simplify right side
    149,654.40x = 11,190,975,223.68
  5. Step 5: Solve for x
    x = 11,190,975,223.68/149,654.40
  6. Step 6: Final answer
    x = 74,778.79

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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.