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Finding the Fourth Proportional to 228,604.20, 342,128.70 and 200,610.60

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Solution

The fourth proportional to 228,604.20, 342,128.70 and 200,610.60 is: 300,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,604.20 : 342,128.70 = 200,610.60 : x
  2. Step 2: Convert to fraction form
    228,604.20/342,128.70 = 200,610.60/x
  3. Step 3: Cross multiply
    228,604.20x = 342,128.70 × 200,610.60
  4. Step 4: Simplify right side
    228,604.20x = 68,634,643,784.22
  5. Step 5: Solve for x
    x = 68,634,643,784.22/228,604.20
  6. Step 6: Final answer
    x = 300,233.52

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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.