Home / 328,247.02-491,942.85-148,198.60

Finding the Fourth Proportional to 328,247.02, 491,942.85 and 148,198.60

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Solution

The fourth proportional to 328,247.02, 491,942.85 and 148,198.60 is: 222,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,247.02 : 491,942.85 = 148,198.60 : x
  2. Step 2: Convert to fraction form
    328,247.02/491,942.85 = 148,198.60/x
  3. Step 3: Cross multiply
    328,247.02x = 491,942.85 × 148,198.60
  4. Step 4: Simplify right side
    328,247.02x = 72,905,241,650.01
  5. Step 5: Solve for x
    x = 72,905,241,650.01/328,247.02
  6. Step 6: Final answer
    x = 222,104.81

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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.