Home / 395,529.41-545,928.24-225,861.95

Finding the Fourth Proportional to 395,529.41, 545,928.24 and 225,861.95

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Solution

The fourth proportional to 395,529.41, 545,928.24 and 225,861.95 is: 311,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,529.41 : 545,928.24 = 225,861.95 : x
  2. Step 2: Convert to fraction form
    395,529.41/545,928.24 = 225,861.95/x
  3. Step 3: Cross multiply
    395,529.41x = 545,928.24 × 225,861.95
  4. Step 4: Simplify right side
    395,529.41x = 123,304,414,116.83
  5. Step 5: Solve for x
    x = 123,304,414,116.83/395,529.41
  6. Step 6: Final answer
    x = 311,745.25

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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.