Home / 327,522.71-491,284.29-90,865.61

Finding the Fourth Proportional to 327,522.71, 491,284.29 and 90,865.61

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Solution

The fourth proportional to 327,522.71, 491,284.29 and 90,865.61 is: 136,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,522.71 : 491,284.29 = 90,865.61 : x
  2. Step 2: Convert to fraction form
    327,522.71/491,284.29 = 90,865.61/x
  3. Step 3: Cross multiply
    327,522.71x = 491,284.29 × 90,865.61
  4. Step 4: Simplify right side
    327,522.71x = 44,640,844,237.85
  5. Step 5: Solve for x
    x = 44,640,844,237.85/327,522.71
  6. Step 6: Final answer
    x = 136,298.47

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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.