Home / 251,237.18-376,774.78-82,717.38

Finding the Fourth Proportional to 251,237.18, 376,774.78 and 82,717.38

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Solution

The fourth proportional to 251,237.18, 376,774.78 and 82,717.38 is: 124,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,237.18 : 376,774.78 = 82,717.38 : x
  2. Step 2: Convert to fraction form
    251,237.18/376,774.78 = 82,717.38/x
  3. Step 3: Cross multiply
    251,237.18x = 376,774.78 × 82,717.38
  4. Step 4: Simplify right side
    251,237.18x = 31,165,821,367.95
  5. Step 5: Solve for x
    x = 31,165,821,367.95/251,237.18
  6. Step 6: Final answer
    x = 124,049.40

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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.