Home / 263,669.70-395,175.56-128,622.44

Finding the Fourth Proportional to 263,669.70, 395,175.56 and 128,622.44

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Solution

The fourth proportional to 263,669.70, 395,175.56 and 128,622.44 is: 192,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,669.70 : 395,175.56 = 128,622.44 : x
  2. Step 2: Convert to fraction form
    263,669.70/395,175.56 = 128,622.44/x
  3. Step 3: Cross multiply
    263,669.70x = 395,175.56 × 128,622.44
  4. Step 4: Simplify right side
    263,669.70x = 50,828,444,755.57
  5. Step 5: Solve for x
    x = 50,828,444,755.57/263,669.70
  6. Step 6: Final answer
    x = 192,773.17

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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.