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Finding the Fourth Proportional to 395,324.30, 593,002.87 and 114,841.55

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Solution

The fourth proportional to 395,324.30, 593,002.87 and 114,841.55 is: 172,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,324.30 : 593,002.87 = 114,841.55 : x
  2. Step 2: Convert to fraction form
    395,324.30/593,002.87 = 114,841.55/x
  3. Step 3: Cross multiply
    395,324.30x = 593,002.87 × 114,841.55
  4. Step 4: Simplify right side
    395,324.30x = 68,101,367,250.99
  5. Step 5: Solve for x
    x = 68,101,367,250.99/395,324.30
  6. Step 6: Final answer
    x = 172,267.09

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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.