Home / 379,049.83-523,092.68-209,283.55

Finding the Fourth Proportional to 379,049.83, 523,092.68 and 209,283.55

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Solution

The fourth proportional to 379,049.83, 523,092.68 and 209,283.55 is: 288,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,049.83 : 523,092.68 = 209,283.55 : x
  2. Step 2: Convert to fraction form
    379,049.83/523,092.68 = 209,283.55/x
  3. Step 3: Cross multiply
    379,049.83x = 523,092.68 × 209,283.55
  4. Step 4: Simplify right side
    379,049.83x = 109,474,693,049.41
  5. Step 5: Solve for x
    x = 109,474,693,049.41/379,049.83
  6. Step 6: Final answer
    x = 288,813.46

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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.