Home / 351,939.02-485,561.67-198,962.42

Finding the Fourth Proportional to 351,939.02, 485,561.67 and 198,962.42

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Solution

The fourth proportional to 351,939.02, 485,561.67 and 198,962.42 is: 274,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,939.02 : 485,561.67 = 198,962.42 : x
  2. Step 2: Convert to fraction form
    351,939.02/485,561.67 = 198,962.42/x
  3. Step 3: Cross multiply
    351,939.02x = 485,561.67 × 198,962.42
  4. Step 4: Simplify right side
    351,939.02x = 96,608,524,922.44
  5. Step 5: Solve for x
    x = 96,608,524,922.44/351,939.02
  6. Step 6: Final answer
    x = 274,503.59

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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.