Home / 442,736.80-664,033.92-127,121.92

Finding the Fourth Proportional to 442,736.80, 664,033.92 and 127,121.92

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Solution

The fourth proportional to 442,736.80, 664,033.92 and 127,121.92 is: 190,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,736.80 : 664,033.92 = 127,121.92 : x
  2. Step 2: Convert to fraction form
    442,736.80/664,033.92 = 127,121.92/x
  3. Step 3: Cross multiply
    442,736.80x = 664,033.92 × 127,121.92
  4. Step 4: Simplify right side
    442,736.80x = 84,413,266,855.53
  5. Step 5: Solve for x
    x = 84,413,266,855.53/442,736.80
  6. Step 6: Final answer
    x = 190,662.41

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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.