Home / 355,905.35-491,149.43-194,760.41

Finding the Fourth Proportional to 355,905.35, 491,149.43 and 194,760.41

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Solution

The fourth proportional to 355,905.35, 491,149.43 and 194,760.41 is: 268,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,905.35 : 491,149.43 = 194,760.41 : x
  2. Step 2: Convert to fraction form
    355,905.35/491,149.43 = 194,760.41/x
  3. Step 3: Cross multiply
    355,905.35x = 491,149.43 × 194,760.41
  4. Step 4: Simplify right side
    355,905.35x = 95,656,466,072.84
  5. Step 5: Solve for x
    x = 95,656,466,072.84/355,905.35
  6. Step 6: Final answer
    x = 268,769.39

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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.