Home / 334,629.78-461,789.45-198,690.87

Finding the Fourth Proportional to 334,629.78, 461,789.45 and 198,690.87

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Solution

The fourth proportional to 334,629.78, 461,789.45 and 198,690.87 is: 274,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,629.78 : 461,789.45 = 198,690.87 : x
  2. Step 2: Convert to fraction form
    334,629.78/461,789.45 = 198,690.87/x
  3. Step 3: Cross multiply
    334,629.78x = 461,789.45 × 198,690.87
  4. Step 4: Simplify right side
    334,629.78x = 91,753,350,178.30
  5. Step 5: Solve for x
    x = 91,753,350,178.30/334,629.78
  6. Step 6: Final answer
    x = 274,193.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.