Home / 215,512.84-323,318.22-65,766.52

Finding the Fourth Proportional to 215,512.84, 323,318.22 and 65,766.52

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Solution

The fourth proportional to 215,512.84, 323,318.22 and 65,766.52 is: 98,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,512.84 : 323,318.22 = 65,766.52 : x
  2. Step 2: Convert to fraction form
    215,512.84/323,318.22 = 65,766.52/x
  3. Step 3: Cross multiply
    215,512.84x = 323,318.22 × 65,766.52
  4. Step 4: Simplify right side
    215,512.84x = 21,263,514,181.99
  5. Step 5: Solve for x
    x = 21,263,514,181.99/215,512.84
  6. Step 6: Final answer
    x = 98,664.72

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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.