Home / 287,078.04-396,161.82-179,707.27

Finding the Fourth Proportional to 287,078.04, 396,161.82 and 179,707.27

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Solution

The fourth proportional to 287,078.04, 396,161.82 and 179,707.27 is: 247,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,078.04 : 396,161.82 = 179,707.27 : x
  2. Step 2: Convert to fraction form
    287,078.04/396,161.82 = 179,707.27/x
  3. Step 3: Cross multiply
    287,078.04x = 396,161.82 × 179,707.27
  4. Step 4: Simplify right side
    287,078.04x = 71,193,159,150.43
  5. Step 5: Solve for x
    x = 71,193,159,150.43/287,078.04
  6. Step 6: Final answer
    x = 247,992.35

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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.