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Finding the Fourth Proportional to 395,310.52, 592,221.75 and 195,396.85

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Solution

The fourth proportional to 395,310.52, 592,221.75 and 195,396.85 is: 292,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,310.52 : 592,221.75 = 195,396.85 : x
  2. Step 2: Convert to fraction form
    395,310.52/592,221.75 = 195,396.85/x
  3. Step 3: Cross multiply
    395,310.52x = 592,221.75 × 195,396.85
  4. Step 4: Simplify right side
    395,310.52x = 115,718,264,451.49
  5. Step 5: Solve for x
    x = 115,718,264,451.49/395,310.52
  6. Step 6: Final answer
    x = 292,727.51

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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.