Home / 251,215.39-376,865.34-82,784.26

Finding the Fourth Proportional to 251,215.39, 376,865.34 and 82,784.26

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Solution

The fourth proportional to 251,215.39, 376,865.34 and 82,784.26 is: 124,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,215.39 : 376,865.34 = 82,784.26 : x
  2. Step 2: Convert to fraction form
    251,215.39/376,865.34 = 82,784.26/x
  3. Step 3: Cross multiply
    251,215.39x = 376,865.34 × 82,784.26
  4. Step 4: Simplify right side
    251,215.39x = 31,198,518,291.55
  5. Step 5: Solve for x
    x = 31,198,518,291.55/251,215.39
  6. Step 6: Final answer
    x = 124,190.31

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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.