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Finding the Fourth Proportional to 496,190.97, 744,532.38 and 196,664.91

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Solution

The fourth proportional to 496,190.97, 744,532.38 and 196,664.91 is: 295,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,190.97 : 744,532.38 = 196,664.91 : x
  2. Step 2: Convert to fraction form
    496,190.97/744,532.38 = 196,664.91/x
  3. Step 3: Cross multiply
    496,190.97x = 744,532.38 × 196,664.91
  4. Step 4: Simplify right side
    496,190.97x = 146,423,393,504.79
  5. Step 5: Solve for x
    x = 146,423,393,504.79/496,190.97
  6. Step 6: Final answer
    x = 295,094.84

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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.