Home / 198,904.68-298,364.22-65,788.20

Finding the Fourth Proportional to 198,904.68, 298,364.22 and 65,788.20

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Solution

The fourth proportional to 198,904.68, 298,364.22 and 65,788.20 is: 98,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,904.68 : 298,364.22 = 65,788.20 : x
  2. Step 2: Convert to fraction form
    198,904.68/298,364.22 = 65,788.20/x
  3. Step 3: Cross multiply
    198,904.68x = 298,364.22 × 65,788.20
  4. Step 4: Simplify right side
    198,904.68x = 19,628,844,978.20
  5. Step 5: Solve for x
    x = 19,628,844,978.20/198,904.68
  6. Step 6: Final answer
    x = 98,684.68

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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.