Home / 215,581.62-323,357.37-80,620.02

Finding the Fourth Proportional to 215,581.62, 323,357.37 and 80,620.02

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Solution

The fourth proportional to 215,581.62, 323,357.37 and 80,620.02 is: 120,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,581.62 : 323,357.37 = 80,620.02 : x
  2. Step 2: Convert to fraction form
    215,581.62/323,357.37 = 80,620.02/x
  3. Step 3: Cross multiply
    215,581.62x = 323,357.37 × 80,620.02
  4. Step 4: Simplify right side
    215,581.62x = 26,069,077,636.55
  5. Step 5: Solve for x
    x = 26,069,077,636.55/215,581.62
  6. Step 6: Final answer
    x = 120,924.40

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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.