Home / 355,234.20-490,217.46-194,085.78

Finding the Fourth Proportional to 355,234.20, 490,217.46 and 194,085.78

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Solution

The fourth proportional to 355,234.20, 490,217.46 and 194,085.78 is: 267,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,234.20 : 490,217.46 = 194,085.78 : x
  2. Step 2: Convert to fraction form
    355,234.20/490,217.46 = 194,085.78/x
  3. Step 3: Cross multiply
    355,234.20x = 490,217.46 × 194,085.78
  4. Step 4: Simplify right side
    355,234.20x = 95,144,238,093.72
  5. Step 5: Solve for x
    x = 95,144,238,093.72/355,234.20
  6. Step 6: Final answer
    x = 267,835.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.