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Finding the Fourth Proportional to 251,270.75, 376,952.30 and 82,801.01

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Solution

The fourth proportional to 251,270.75, 376,952.30 and 82,801.01 is: 124,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,270.75 : 376,952.30 = 82,801.01 : x
  2. Step 2: Convert to fraction form
    251,270.75/376,952.30 = 82,801.01/x
  3. Step 3: Cross multiply
    251,270.75x = 376,952.30 × 82,801.01
  4. Step 4: Simplify right side
    251,270.75x = 31,212,028,863.06
  5. Step 5: Solve for x
    x = 31,212,028,863.06/251,270.75
  6. Step 6: Final answer
    x = 124,216.72

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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.