Home / 355,905.60-491,149.78-194,760.66

Finding the Fourth Proportional to 355,905.60, 491,149.78 and 194,760.66

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Solution

The fourth proportional to 355,905.60, 491,149.78 and 194,760.66 is: 268,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,905.60 : 491,149.78 = 194,760.66 : x
  2. Step 2: Convert to fraction form
    355,905.60/491,149.78 = 194,760.66/x
  3. Step 3: Cross multiply
    355,905.60x = 491,149.78 × 194,760.66
  4. Step 4: Simplify right side
    355,905.60x = 95,656,656,052.63
  5. Step 5: Solve for x
    x = 95,656,656,052.63/355,905.60
  6. Step 6: Final answer
    x = 268,769.74

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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.