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Finding the Fourth Proportional to 395,863.68, 593,790.49 and 96,344.91

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Solution

The fourth proportional to 395,863.68, 593,790.49 and 96,344.91 is: 144,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,863.68 : 593,790.49 = 96,344.91 : x
  2. Step 2: Convert to fraction form
    395,863.68/593,790.49 = 96,344.91/x
  3. Step 3: Cross multiply
    395,863.68x = 593,790.49 × 96,344.91
  4. Step 4: Simplify right side
    395,863.68x = 57,208,691,317.91
  5. Step 5: Solve for x
    x = 57,208,691,317.91/395,863.68
  6. Step 6: Final answer
    x = 144,516.14

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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.