Home / 499,539.62-749,112.19-199,964.36

Finding the Fourth Proportional to 499,539.62, 749,112.19 and 199,964.36

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Solution

The fourth proportional to 499,539.62, 749,112.19 and 199,964.36 is: 299,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,539.62 : 749,112.19 = 199,964.36 : x
  2. Step 2: Convert to fraction form
    499,539.62/749,112.19 = 199,964.36/x
  3. Step 3: Cross multiply
    499,539.62x = 749,112.19 × 199,964.36
  4. Step 4: Simplify right side
    499,539.62x = 149,795,739,641.55
  5. Step 5: Solve for x
    x = 149,795,739,641.55/499,539.62
  6. Step 6: Final answer
    x = 299,867.59

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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.