Home / 231,283.88-347,057.05-91,140.92

Finding the Fourth Proportional to 231,283.88, 347,057.05 and 91,140.92

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Solution

The fourth proportional to 231,283.88, 347,057.05 and 91,140.92 is: 136,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,283.88 : 347,057.05 = 91,140.92 : x
  2. Step 2: Convert to fraction form
    231,283.88/347,057.05 = 91,140.92/x
  3. Step 3: Cross multiply
    231,283.88x = 347,057.05 × 91,140.92
  4. Step 4: Simplify right side
    231,283.88x = 31,631,099,469.28
  5. Step 5: Solve for x
    x = 31,631,099,469.28/231,283.88
  6. Step 6: Final answer
    x = 136,763.09

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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.