Home / 198,520.20-297,716.31-65,368.76

Finding the Fourth Proportional to 198,520.20, 297,716.31 and 65,368.76

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Solution

The fourth proportional to 198,520.20, 297,716.31 and 65,368.76 is: 98,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,520.20 : 297,716.31 = 65,368.76 : x
  2. Step 2: Convert to fraction form
    198,520.20/297,716.31 = 65,368.76/x
  3. Step 3: Cross multiply
    198,520.20x = 297,716.31 × 65,368.76
  4. Step 4: Simplify right side
    198,520.20x = 19,461,344,527.89
  5. Step 5: Solve for x
    x = 19,461,344,527.89/198,520.20
  6. Step 6: Final answer
    x = 98,032.06

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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.