Home / 300,727.75-415,004.28-164,766.85

Finding the Fourth Proportional to 300,727.75, 415,004.28 and 164,766.85

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Solution

The fourth proportional to 300,727.75, 415,004.28 and 164,766.85 is: 227,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,727.75 : 415,004.28 = 164,766.85 : x
  2. Step 2: Convert to fraction form
    300,727.75/415,004.28 = 164,766.85/x
  3. Step 3: Cross multiply
    300,727.75x = 415,004.28 × 164,766.85
  4. Step 4: Simplify right side
    300,727.75x = 68,378,947,952.12
  5. Step 5: Solve for x
    x = 68,378,947,952.12/300,727.75
  6. Step 6: Final answer
    x = 227,378.25

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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.