Home / 198,940.98-298,501.72-182,122.86

Finding the Fourth Proportional to 198,940.98, 298,501.72 and 182,122.86

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Solution

The fourth proportional to 198,940.98, 298,501.72 and 182,122.86 is: 273,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,940.98 : 298,501.72 = 182,122.86 : x
  2. Step 2: Convert to fraction form
    198,940.98/298,501.72 = 182,122.86/x
  3. Step 3: Cross multiply
    198,940.98x = 298,501.72 × 182,122.86
  4. Step 4: Simplify right side
    198,940.98x = 54,363,986,961.32
  5. Step 5: Solve for x
    x = 54,363,986,961.32/198,940.98
  6. Step 6: Final answer
    x = 273,266.91

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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.