Home / 320,977.22-442,948.28-177,737.25

Finding the Fourth Proportional to 320,977.22, 442,948.28 and 177,737.25

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Solution

The fourth proportional to 320,977.22, 442,948.28 and 177,737.25 is: 245,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,977.22 : 442,948.28 = 177,737.25 : x
  2. Step 2: Convert to fraction form
    320,977.22/442,948.28 = 177,737.25/x
  3. Step 3: Cross multiply
    320,977.22x = 442,948.28 × 177,737.25
  4. Step 4: Simplify right side
    320,977.22x = 78,728,410,951.57
  5. Step 5: Solve for x
    x = 78,728,410,951.57/320,977.22
  6. Step 6: Final answer
    x = 245,277.26

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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.