Home / 251,278.40-376,917.60-111,310.40

Finding the Fourth Proportional to 251,278.40, 376,917.60 and 111,310.40

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Solution

The fourth proportional to 251,278.40, 376,917.60 and 111,310.40 is: 166,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,278.40 : 376,917.60 = 111,310.40 : x
  2. Step 2: Convert to fraction form
    251,278.40/376,917.60 = 111,310.40/x
  3. Step 3: Cross multiply
    251,278.40x = 376,917.60 × 111,310.40
  4. Step 4: Simplify right side
    251,278.40x = 41,954,848,823.04
  5. Step 5: Solve for x
    x = 41,954,848,823.04/251,278.40
  6. Step 6: Final answer
    x = 166,965.60

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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.