Home / 198,391.15-297,606.35-65,217.43

Finding the Fourth Proportional to 198,391.15, 297,606.35 and 65,217.43

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Solution

The fourth proportional to 198,391.15, 297,606.35 and 65,217.43 is: 97,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,391.15 : 297,606.35 = 65,217.43 : x
  2. Step 2: Convert to fraction form
    198,391.15/297,606.35 = 65,217.43/x
  3. Step 3: Cross multiply
    198,391.15x = 297,606.35 × 65,217.43
  4. Step 4: Simplify right side
    198,391.15x = 19,409,121,298.68
  5. Step 5: Solve for x
    x = 19,409,121,298.68/198,391.15
  6. Step 6: Final answer
    x = 97,832.60

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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.