Home / 251,029.70-376,544.55-84,815.30

Finding the Fourth Proportional to 251,029.70, 376,544.55 and 84,815.30

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Solution

The fourth proportional to 251,029.70, 376,544.55 and 84,815.30 is: 127,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,029.70 : 376,544.55 = 84,815.30 : x
  2. Step 2: Convert to fraction form
    251,029.70/376,544.55 = 84,815.30/x
  3. Step 3: Cross multiply
    251,029.70x = 376,544.55 × 84,815.30
  4. Step 4: Simplify right side
    251,029.70x = 31,936,738,971.62
  5. Step 5: Solve for x
    x = 31,936,738,971.62/251,029.70
  6. Step 6: Final answer
    x = 127,222.95

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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.