Home / 251,040.08-376,480.10-82,521.38

Finding the Fourth Proportional to 251,040.08, 376,480.10 and 82,521.38

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Solution

The fourth proportional to 251,040.08, 376,480.10 and 82,521.38 is: 123,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,040.08 : 376,480.10 = 82,521.38 : x
  2. Step 2: Convert to fraction form
    251,040.08/376,480.10 = 82,521.38/x
  3. Step 3: Cross multiply
    251,040.08x = 376,480.10 × 82,521.38
  4. Step 4: Simplify right side
    251,040.08x = 31,067,657,394.54
  5. Step 5: Solve for x
    x = 31,067,657,394.54/251,040.08
  6. Step 6: Final answer
    x = 123,755.77

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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.