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Finding the Fourth Proportional to 355,849.20, 533,793.24 and 119,170.44

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Solution

The fourth proportional to 355,849.20, 533,793.24 and 119,170.44 is: 178,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,849.20 : 533,793.24 = 119,170.44 : x
  2. Step 2: Convert to fraction form
    355,849.20/533,793.24 = 119,170.44/x
  3. Step 3: Cross multiply
    355,849.20x = 533,793.24 × 119,170.44
  4. Step 4: Simplify right side
    355,849.20x = 63,612,375,279.83
  5. Step 5: Solve for x
    x = 63,612,375,279.83/355,849.20
  6. Step 6: Final answer
    x = 178,762.17

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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.