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Finding the Fourth Proportional to 400,052.76, 599,953.96 and 133,751.17

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Solution

The fourth proportional to 400,052.76, 599,953.96 and 133,751.17 is: 200,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,052.76 : 599,953.96 = 133,751.17 : x
  2. Step 2: Convert to fraction form
    400,052.76/599,953.96 = 133,751.17/x
  3. Step 3: Cross multiply
    400,052.76x = 599,953.96 × 133,751.17
  4. Step 4: Simplify right side
    400,052.76x = 80,244,544,096.13
  5. Step 5: Solve for x
    x = 80,244,544,096.13/400,052.76
  6. Step 6: Final answer
    x = 200,584.90

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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.