Home / 271,533.45-407,348.78-113,777.85

Finding the Fourth Proportional to 271,533.45, 407,348.78 and 113,777.85

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Solution

The fourth proportional to 271,533.45, 407,348.78 and 113,777.85 is: 170,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,533.45 : 407,348.78 = 113,777.85 : x
  2. Step 2: Convert to fraction form
    271,533.45/407,348.78 = 113,777.85/x
  3. Step 3: Cross multiply
    271,533.45x = 407,348.78 × 113,777.85
  4. Step 4: Simplify right side
    271,533.45x = 46,347,267,819.63
  5. Step 5: Solve for x
    x = 46,347,267,819.63/271,533.45
  6. Step 6: Final answer
    x = 170,687.14

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1.5x scale

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.