Home / 215,435.39-323,300.75-75,194.01

Finding the Fourth Proportional to 215,435.39, 323,300.75 and 75,194.01

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Solution

The fourth proportional to 215,435.39, 323,300.75 and 75,194.01 is: 112,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,435.39 : 323,300.75 = 75,194.01 : x
  2. Step 2: Convert to fraction form
    215,435.39/323,300.75 = 75,194.01/x
  3. Step 3: Cross multiply
    215,435.39x = 323,300.75 × 75,194.01
  4. Step 4: Simplify right side
    215,435.39x = 24,310,279,452.54
  5. Step 5: Solve for x
    x = 24,310,279,452.54/215,435.39
  6. Step 6: Final answer
    x = 112,842.56

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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.