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Finding the Fourth Proportional to 355,295.85, 490,287.38 and 194,118.81

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Solution

The fourth proportional to 355,295.85, 490,287.38 and 194,118.81 is: 267,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,295.85 : 490,287.38 = 194,118.81 : x
  2. Step 2: Convert to fraction form
    355,295.85/490,287.38 = 194,118.81/x
  3. Step 3: Cross multiply
    355,295.85x = 490,287.38 × 194,118.81
  4. Step 4: Simplify right side
    355,295.85x = 95,174,001,793.02
  5. Step 5: Solve for x
    x = 95,174,001,793.02/355,295.85
  6. Step 6: Final answer
    x = 267,872.54

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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.