Home / 250,961.40-376,362.18-82,442.61

Finding the Fourth Proportional to 250,961.40, 376,362.18 and 82,442.61

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Solution

The fourth proportional to 250,961.40, 376,362.18 and 82,442.61 is: 123,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,961.40 : 376,362.18 = 82,442.61 : x
  2. Step 2: Convert to fraction form
    250,961.40/376,362.18 = 82,442.61/x
  3. Step 3: Cross multiply
    250,961.40x = 376,362.18 × 82,442.61
  4. Step 4: Simplify right side
    250,961.40x = 31,028,280,424.49
  5. Step 5: Solve for x
    x = 31,028,280,424.49/250,961.40
  6. Step 6: Final answer
    x = 123,637.66

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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.