Home / 198,379.12-297,535.84-65,261.04

Finding the Fourth Proportional to 198,379.12, 297,535.84 and 65,261.04

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Solution

The fourth proportional to 198,379.12, 297,535.84 and 65,261.04 is: 97,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,379.12 : 297,535.84 = 65,261.04 : x
  2. Step 2: Convert to fraction form
    198,379.12/297,535.84 = 65,261.04/x
  3. Step 3: Cross multiply
    198,379.12x = 297,535.84 × 65,261.04
  4. Step 4: Simplify right side
    198,379.12x = 19,417,498,355.67
  5. Step 5: Solve for x
    x = 19,417,498,355.67/198,379.12
  6. Step 6: Final answer
    x = 97,880.76

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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.