Home / 276,872.58-415,017.27-143,611.38

Finding the Fourth Proportional to 276,872.58, 415,017.27 and 143,611.38

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Solution

The fourth proportional to 276,872.58, 415,017.27 and 143,611.38 is: 215,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,872.58 : 415,017.27 = 143,611.38 : x
  2. Step 2: Convert to fraction form
    276,872.58/415,017.27 = 143,611.38/x
  3. Step 3: Cross multiply
    276,872.58x = 415,017.27 × 143,611.38
  4. Step 4: Simplify right side
    276,872.58x = 59,601,202,868.53
  5. Step 5: Solve for x
    x = 59,601,202,868.53/276,872.58
  6. Step 6: Final answer
    x = 215,265.82

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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.