Home / 231,333.10-346,999.65-205,963.90

Finding the Fourth Proportional to 231,333.10, 346,999.65 and 205,963.90

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Solution

The fourth proportional to 231,333.10, 346,999.65 and 205,963.90 is: 308,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,333.10 : 346,999.65 = 205,963.90 : x
  2. Step 2: Convert to fraction form
    231,333.10/346,999.65 = 205,963.90/x
  3. Step 3: Cross multiply
    231,333.10x = 346,999.65 × 205,963.90
  4. Step 4: Simplify right side
    231,333.10x = 71,469,401,212.64
  5. Step 5: Solve for x
    x = 71,469,401,212.64/231,333.10
  6. Step 6: Final answer
    x = 308,945.85

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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.