Home / 399,212.82-598,923.18-199,525.14

Finding the Fourth Proportional to 399,212.82, 598,923.18 and 199,525.14

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Solution

The fourth proportional to 399,212.82, 598,923.18 and 199,525.14 is: 299,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,212.82 : 598,923.18 = 199,525.14 : x
  2. Step 2: Convert to fraction form
    399,212.82/598,923.18 = 199,525.14/x
  3. Step 3: Cross multiply
    399,212.82x = 598,923.18 × 199,525.14
  4. Step 4: Simplify right side
    399,212.82x = 119,500,231,338.75
  5. Step 5: Solve for x
    x = 119,500,231,338.75/399,212.82
  6. Step 6: Final answer
    x = 299,339.66

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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.