Home / 251,215.89-376,866.09-82,784.76

Finding the Fourth Proportional to 251,215.89, 376,866.09 and 82,784.76

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Solution

The fourth proportional to 251,215.89, 376,866.09 and 82,784.76 is: 124,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,215.89 : 376,866.09 = 82,784.76 : x
  2. Step 2: Convert to fraction form
    251,215.89/376,866.09 = 82,784.76/x
  3. Step 3: Cross multiply
    251,215.89x = 376,866.09 × 82,784.76
  4. Step 4: Simplify right side
    251,215.89x = 31,198,768,812.79
  5. Step 5: Solve for x
    x = 31,198,768,812.79/251,215.89
  6. Step 6: Final answer
    x = 124,191.06

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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.