Home / 351,928.02-485,546.49-198,951.42

Finding the Fourth Proportional to 351,928.02, 485,546.49 and 198,951.42

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Solution

The fourth proportional to 351,928.02, 485,546.49 and 198,951.42 is: 274,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,928.02 : 485,546.49 = 198,951.42 : x
  2. Step 2: Convert to fraction form
    351,928.02/485,546.49 = 198,951.42/x
  3. Step 3: Cross multiply
    351,928.02x = 485,546.49 × 198,951.42
  4. Step 4: Simplify right side
    351,928.02x = 96,600,163,661.52
  5. Step 5: Solve for x
    x = 96,600,163,661.52/351,928.02
  6. Step 6: Final answer
    x = 274,488.41

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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.