Home / 276,824.25-415,494.70-141,989.55

Finding the Fourth Proportional to 276,824.25, 415,494.70 and 141,989.55

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Solution

The fourth proportional to 276,824.25, 415,494.70 and 141,989.55 is: 213,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,824.25 : 415,494.70 = 141,989.55 : x
  2. Step 2: Convert to fraction form
    276,824.25/415,494.70 = 141,989.55/x
  3. Step 3: Cross multiply
    276,824.25x = 415,494.70 × 141,989.55
  4. Step 4: Simplify right side
    276,824.25x = 58,995,905,480.39
  5. Step 5: Solve for x
    x = 58,995,905,480.39/276,824.25
  6. Step 6: Final answer
    x = 213,116.83

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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.