Home / 215,840.17-323,575.62-82,815.89

Finding the Fourth Proportional to 215,840.17, 323,575.62 and 82,815.89

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Solution

The fourth proportional to 215,840.17, 323,575.62 and 82,815.89 is: 124,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,840.17 : 323,575.62 = 82,815.89 : x
  2. Step 2: Convert to fraction form
    215,840.17/323,575.62 = 82,815.89/x
  3. Step 3: Cross multiply
    215,840.17x = 323,575.62 × 82,815.89
  4. Step 4: Simplify right side
    215,840.17x = 26,797,202,844.28
  5. Step 5: Solve for x
    x = 26,797,202,844.28/215,840.17
  6. Step 6: Final answer
    x = 124,152.99

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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.