Home / 203,558.80-305,338.20-200,606.35

Finding the Fourth Proportional to 203,558.80, 305,338.20 and 200,606.35

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Solution

The fourth proportional to 203,558.80, 305,338.20 and 200,606.35 is: 300,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,558.80 : 305,338.20 = 200,606.35 : x
  2. Step 2: Convert to fraction form
    203,558.80/305,338.20 = 200,606.35/x
  3. Step 3: Cross multiply
    203,558.80x = 305,338.20 × 200,606.35
  4. Step 4: Simplify right side
    203,558.80x = 61,252,781,817.57
  5. Step 5: Solve for x
    x = 61,252,781,817.57/203,558.80
  6. Step 6: Final answer
    x = 300,909.53

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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.