Home / 251,333.91-376,920.87-82,822.80

Finding the Fourth Proportional to 251,333.91, 376,920.87 and 82,822.80

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Solution

The fourth proportional to 251,333.91, 376,920.87 and 82,822.80 is: 124,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,333.91 : 376,920.87 = 82,822.80 : x
  2. Step 2: Convert to fraction form
    251,333.91/376,920.87 = 82,822.80/x
  3. Step 3: Cross multiply
    251,333.91x = 376,920.87 × 82,822.80
  4. Step 4: Simplify right side
    251,333.91x = 31,217,641,831.84
  5. Step 5: Solve for x
    x = 31,217,641,831.84/251,333.91
  6. Step 6: Final answer
    x = 124,207.84

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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.