Home / 320,866.66-442,799.49-177,629.23

Finding the Fourth Proportional to 320,866.66, 442,799.49 and 177,629.23

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Solution

The fourth proportional to 320,866.66, 442,799.49 and 177,629.23 is: 245,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,866.66 : 442,799.49 = 177,629.23 : x
  2. Step 2: Convert to fraction form
    320,866.66/442,799.49 = 177,629.23/x
  3. Step 3: Cross multiply
    320,866.66x = 442,799.49 × 177,629.23
  4. Step 4: Simplify right side
    320,866.66x = 78,654,132,453.09
  5. Step 5: Solve for x
    x = 78,654,132,453.09/320,866.66
  6. Step 6: Final answer
    x = 245,130.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.