Home / 379,437.21-523,732.23-250,469.82

Finding the Fourth Proportional to 379,437.21, 523,732.23 and 250,469.82

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Solution

The fourth proportional to 379,437.21, 523,732.23 and 250,469.82 is: 345,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,437.21 : 523,732.23 = 250,469.82 : x
  2. Step 2: Convert to fraction form
    379,437.21/523,732.23 = 250,469.82/x
  3. Step 3: Cross multiply
    379,437.21x = 523,732.23 × 250,469.82
  4. Step 4: Simplify right side
    379,437.21x = 131,179,117,376.30
  5. Step 5: Solve for x
    x = 131,179,117,376.30/379,437.21
  6. Step 6: Final answer
    x = 345,720.22

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1.5x scale

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.