Home / 215,583.92-323,297.04-82,398.32

Finding the Fourth Proportional to 215,583.92, 323,297.04 and 82,398.32

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Solution

The fourth proportional to 215,583.92, 323,297.04 and 82,398.32 is: 123,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,583.92 : 323,297.04 = 82,398.32 : x
  2. Step 2: Convert to fraction form
    215,583.92/323,297.04 = 82,398.32/x
  3. Step 3: Cross multiply
    215,583.92x = 323,297.04 × 82,398.32
  4. Step 4: Simplify right side
    215,583.92x = 26,639,132,956.97
  5. Step 5: Solve for x
    x = 26,639,132,956.97/215,583.92
  6. Step 6: Final answer
    x = 123,567.35

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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.