Home / 711,414.87-1,067,043.68-178,936.10

Finding the Fourth Proportional to 711,414.87, 1,067,043.68 and 178,936.10

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Solution

The fourth proportional to 711,414.87, 1,067,043.68 and 178,936.10 is: 268,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,414.87 : 1,067,043.68 = 178,936.10 : x
  2. Step 2: Convert to fraction form
    711,414.87/1,067,043.68 = 178,936.10/x
  3. Step 3: Cross multiply
    711,414.87x = 1,067,043.68 × 178,936.10
  4. Step 4: Simplify right side
    711,414.87x = 190,932,634,628.85
  5. Step 5: Solve for x
    x = 190,932,634,628.85/711,414.87
  6. Step 6: Final answer
    x = 268,384.37

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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.