Home / 681,622.81-1,022,121.19-232,160.82

Finding the Fourth Proportional to 681,622.81, 1,022,121.19 and 232,160.82

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Solution

The fourth proportional to 681,622.81, 1,022,121.19 and 232,160.82 is: 348,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,622.81 : 1,022,121.19 = 232,160.82 : x
  2. Step 2: Convert to fraction form
    681,622.81/1,022,121.19 = 232,160.82/x
  3. Step 3: Cross multiply
    681,622.81x = 1,022,121.19 × 232,160.82
  4. Step 4: Simplify right side
    681,622.81x = 237,296,493,609.78
  5. Step 5: Solve for x
    x = 237,296,493,609.78/681,622.81
  6. Step 6: Final answer
    x = 348,134.61

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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.