Home / 320,977.93-442,949.27-177,737.97

Finding the Fourth Proportional to 320,977.93, 442,949.27 and 177,737.97

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Solution

The fourth proportional to 320,977.93, 442,949.27 and 177,737.97 is: 245,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,977.93 : 442,949.27 = 177,737.97 : x
  2. Step 2: Convert to fraction form
    320,977.93/442,949.27 = 177,737.97/x
  3. Step 3: Cross multiply
    320,977.93x = 442,949.27 × 177,737.97
  4. Step 4: Simplify right side
    320,977.93x = 78,728,904,062.78
  5. Step 5: Solve for x
    x = 78,728,904,062.78/320,977.93
  6. Step 6: Final answer
    x = 245,278.25

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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.