Home / 276,072.86-414,118.49-76,376.52

Finding the Fourth Proportional to 276,072.86, 414,118.49 and 76,376.52

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Solution

The fourth proportional to 276,072.86, 414,118.49 and 76,376.52 is: 114,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,072.86 : 414,118.49 = 76,376.52 : x
  2. Step 2: Convert to fraction form
    276,072.86/414,118.49 = 76,376.52/x
  3. Step 3: Cross multiply
    276,072.86x = 414,118.49 × 76,376.52
  4. Step 4: Simplify right side
    276,072.86x = 31,628,929,181.59
  5. Step 5: Solve for x
    x = 31,628,929,181.59/276,072.86
  6. Step 6: Final answer
    x = 114,567.33

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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.