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Finding the Fourth Proportional to 263,273.40, 394,650.90 and 130,174.20

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Solution

The fourth proportional to 263,273.40, 394,650.90 and 130,174.20 is: 195,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,273.40 : 394,650.90 = 130,174.20 : x
  2. Step 2: Convert to fraction form
    263,273.40/394,650.90 = 130,174.20/x
  3. Step 3: Cross multiply
    263,273.40x = 394,650.90 × 130,174.20
  4. Step 4: Simplify right side
    263,273.40x = 51,373,365,186.78
  5. Step 5: Solve for x
    x = 51,373,365,186.78/263,273.40
  6. Step 6: Final answer
    x = 195,133.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.