Home / 215,260.57-322,883.61-115,615.38

Finding the Fourth Proportional to 215,260.57, 322,883.61 and 115,615.38

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Solution

The fourth proportional to 215,260.57, 322,883.61 and 115,615.38 is: 173,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,260.57 : 322,883.61 = 115,615.38 : x
  2. Step 2: Convert to fraction form
    215,260.57/322,883.61 = 115,615.38/x
  3. Step 3: Cross multiply
    215,260.57x = 322,883.61 × 115,615.38
  4. Step 4: Simplify right side
    215,260.57x = 37,330,311,265.92
  5. Step 5: Solve for x
    x = 37,330,311,265.92/215,260.57
  6. Step 6: Final answer
    x = 173,419.18

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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.