Home / 203,926.80-305,890.20-195,288.15

Finding the Fourth Proportional to 203,926.80, 305,890.20 and 195,288.15

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Solution

The fourth proportional to 203,926.80, 305,890.20 and 195,288.15 is: 292,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,926.80 : 305,890.20 = 195,288.15 : x
  2. Step 2: Convert to fraction form
    203,926.80/305,890.20 = 195,288.15/x
  3. Step 3: Cross multiply
    203,926.80x = 305,890.20 × 195,288.15
  4. Step 4: Simplify right side
    203,926.80x = 59,736,731,261.13
  5. Step 5: Solve for x
    x = 59,736,731,261.13/203,926.80
  6. Step 6: Final answer
    x = 292,932.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.