Home / 231,567.80-347,265.30-91,297.40

Finding the Fourth Proportional to 231,567.80, 347,265.30 and 91,297.40

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Solution

The fourth proportional to 231,567.80, 347,265.30 and 91,297.40 is: 136,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,567.80 : 347,265.30 = 91,297.40 : x
  2. Step 2: Convert to fraction form
    231,567.80/347,265.30 = 91,297.40/x
  3. Step 3: Cross multiply
    231,567.80x = 347,265.30 × 91,297.40
  4. Step 4: Simplify right side
    231,567.80x = 31,704,419,000.22
  5. Step 5: Solve for x
    x = 31,704,419,000.22/231,567.80
  6. Step 6: Final answer
    x = 136,912.04

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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.