Home / 331,571.72-457,432.02-231,028.04

Finding the Fourth Proportional to 331,571.72, 457,432.02 and 231,028.04

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Solution

The fourth proportional to 331,571.72, 457,432.02 and 231,028.04 is: 318,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,571.72 : 457,432.02 = 231,028.04 : x
  2. Step 2: Convert to fraction form
    331,571.72/457,432.02 = 231,028.04/x
  3. Step 3: Cross multiply
    331,571.72x = 457,432.02 × 231,028.04
  4. Step 4: Simplify right side
    331,571.72x = 105,679,623,013.84
  5. Step 5: Solve for x
    x = 105,679,623,013.84/331,571.72
  6. Step 6: Final answer
    x = 318,723.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.