Home / 215,581.92-323,294.04-82,396.32

Finding the Fourth Proportional to 215,581.92, 323,294.04 and 82,396.32

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Solution

The fourth proportional to 215,581.92, 323,294.04 and 82,396.32 is: 123,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,581.92 : 323,294.04 = 82,396.32 : x
  2. Step 2: Convert to fraction form
    215,581.92/323,294.04 = 82,396.32/x
  3. Step 3: Cross multiply
    215,581.92x = 323,294.04 × 82,396.32
  4. Step 4: Simplify right side
    215,581.92x = 26,638,239,173.93
  5. Step 5: Solve for x
    x = 26,638,239,173.93/215,581.92
  6. Step 6: Final answer
    x = 123,564.35

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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.