Home / 215,848.37-323,587.92-82,824.09

Finding the Fourth Proportional to 215,848.37, 323,587.92 and 82,824.09

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Solution

The fourth proportional to 215,848.37, 323,587.92 and 82,824.09 is: 124,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,848.37 : 323,587.92 = 82,824.09 : x
  2. Step 2: Convert to fraction form
    215,848.37/323,587.92 = 82,824.09/x
  3. Step 3: Cross multiply
    215,848.37x = 323,587.92 × 82,824.09
  4. Step 4: Simplify right side
    215,848.37x = 26,800,876,533.04
  5. Step 5: Solve for x
    x = 26,800,876,533.04/215,848.37
  6. Step 6: Final answer
    x = 124,165.30

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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.