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Finding the Fourth Proportional to 133,662.64, 200,503.80 and 44,915.50

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Solution

The fourth proportional to 133,662.64, 200,503.80 and 44,915.50 is: 67,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,662.64 : 200,503.80 = 44,915.50 : x
  2. Step 2: Convert to fraction form
    133,662.64/200,503.80 = 44,915.50/x
  3. Step 3: Cross multiply
    133,662.64x = 200,503.80 × 44,915.50
  4. Step 4: Simplify right side
    133,662.64x = 9,005,728,428.90
  5. Step 5: Solve for x
    x = 9,005,728,428.90/133,662.64
  6. Step 6: Final answer
    x = 67,376.56

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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.