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Finding the Fourth Proportional to 198,600.76, 297,920.58 and 65,426.68

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Solution

The fourth proportional to 198,600.76, 297,920.58 and 65,426.68 is: 98,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,600.76 : 297,920.58 = 65,426.68 : x
  2. Step 2: Convert to fraction form
    198,600.76/297,920.58 = 65,426.68/x
  3. Step 3: Cross multiply
    198,600.76x = 297,920.58 × 65,426.68
  4. Step 4: Simplify right side
    198,600.76x = 19,491,954,453.07
  5. Step 5: Solve for x
    x = 19,491,954,453.07/198,600.76
  6. Step 6: Final answer
    x = 98,146.42

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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.