Home / 215,310.29-323,012.15-65,546.70

Finding the Fourth Proportional to 215,310.29, 323,012.15 and 65,546.70

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Solution

The fourth proportional to 215,310.29, 323,012.15 and 65,546.70 is: 98,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,310.29 : 323,012.15 = 65,546.70 : x
  2. Step 2: Convert to fraction form
    215,310.29/323,012.15 = 65,546.70/x
  3. Step 3: Cross multiply
    215,310.29x = 323,012.15 × 65,546.70
  4. Step 4: Simplify right side
    215,310.29x = 21,172,380,164.67
  5. Step 5: Solve for x
    x = 21,172,380,164.67/215,310.29
  6. Step 6: Final answer
    x = 98,334.27

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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.