Home / 221,067.09-331,599.63-63,295.50

Finding the Fourth Proportional to 221,067.09, 331,599.63 and 63,295.50

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Solution

The fourth proportional to 221,067.09, 331,599.63 and 63,295.50 is: 94,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,067.09 : 331,599.63 = 63,295.50 : x
  2. Step 2: Convert to fraction form
    221,067.09/331,599.63 = 63,295.50/x
  3. Step 3: Cross multiply
    221,067.09x = 331,599.63 × 63,295.50
  4. Step 4: Simplify right side
    221,067.09x = 20,988,764,380.67
  5. Step 5: Solve for x
    x = 20,988,764,380.67/221,067.09
  6. Step 6: Final answer
    x = 94,942.96

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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.