Home / 198,290.52-297,449.38-79,962.84

Finding the Fourth Proportional to 198,290.52, 297,449.38 and 79,962.84

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Solution

The fourth proportional to 198,290.52, 297,449.38 and 79,962.84 is: 119,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,290.52 : 297,449.38 = 79,962.84 : x
  2. Step 2: Convert to fraction form
    198,290.52/297,449.38 = 79,962.84/x
  3. Step 3: Cross multiply
    198,290.52x = 297,449.38 × 79,962.84
  4. Step 4: Simplify right side
    198,290.52x = 23,784,897,181.04
  5. Step 5: Solve for x
    x = 23,784,897,181.04/198,290.52
  6. Step 6: Final answer
    x = 119,949.74

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1.5x scale

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.