Home / 355,720.20-534,746.70-251,262.60

Finding the Fourth Proportional to 355,720.20, 534,746.70 and 251,262.60

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Solution

The fourth proportional to 355,720.20, 534,746.70 and 251,262.60 is: 377,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,720.20 : 534,746.70 = 251,262.60 : x
  2. Step 2: Convert to fraction form
    355,720.20/534,746.70 = 251,262.60/x
  3. Step 3: Cross multiply
    355,720.20x = 534,746.70 × 251,262.60
  4. Step 4: Simplify right side
    355,720.20x = 134,361,846,183.42
  5. Step 5: Solve for x
    x = 134,361,846,183.42/355,720.20
  6. Step 6: Final answer
    x = 377,717.79

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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.