Home / 499,538.62-749,110.69-199,963.36

Finding the Fourth Proportional to 499,538.62, 749,110.69 and 199,963.36

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Solution

The fourth proportional to 499,538.62, 749,110.69 and 199,963.36 is: 299,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,538.62 : 749,110.69 = 199,963.36 : x
  2. Step 2: Convert to fraction form
    499,538.62/749,110.69 = 199,963.36/x
  3. Step 3: Cross multiply
    499,538.62x = 749,110.69 × 199,963.36
  4. Step 4: Simplify right side
    499,538.62x = 149,794,690,584.32
  5. Step 5: Solve for x
    x = 149,794,690,584.32/499,538.62
  6. Step 6: Final answer
    x = 299,866.09

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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.