Home / 200,419.11-298,860.03-198,619.38

Finding the Fourth Proportional to 200,419.11, 298,860.03 and 198,619.38

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Solution

The fourth proportional to 200,419.11, 298,860.03 and 198,619.38 is: 296,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,419.11 : 298,860.03 = 198,619.38 : x
  2. Step 2: Convert to fraction form
    200,419.11/298,860.03 = 198,619.38/x
  3. Step 3: Cross multiply
    200,419.11x = 298,860.03 × 198,619.38
  4. Step 4: Simplify right side
    200,419.11x = 59,359,393,865.38
  5. Step 5: Solve for x
    x = 59,359,393,865.38/200,419.11
  6. Step 6: Final answer
    x = 296,176.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.