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Finding the Fourth Proportional to 133,470.06, 200,065.60 and 44,650.50

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Solution

The fourth proportional to 133,470.06, 200,065.60 and 44,650.50 is: 66,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,470.06 : 200,065.60 = 44,650.50 : x
  2. Step 2: Convert to fraction form
    133,470.06/200,065.60 = 44,650.50/x
  3. Step 3: Cross multiply
    133,470.06x = 200,065.60 × 44,650.50
  4. Step 4: Simplify right side
    133,470.06x = 8,933,029,072.80
  5. Step 5: Solve for x
    x = 8,933,029,072.80/133,470.06
  6. Step 6: Final answer
    x = 66,929.09

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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.