Home / 271,777.86-407,699.16-131,435.64

Finding the Fourth Proportional to 271,777.86, 407,699.16 and 131,435.64

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Solution

The fourth proportional to 271,777.86, 407,699.16 and 131,435.64 is: 197,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,777.86 : 407,699.16 = 131,435.64 : x
  2. Step 2: Convert to fraction form
    271,777.86/407,699.16 = 131,435.64/x
  3. Step 3: Cross multiply
    271,777.86x = 407,699.16 × 131,435.64
  4. Step 4: Simplify right side
    271,777.86x = 53,586,200,022.06
  5. Step 5: Solve for x
    x = 53,586,200,022.06/271,777.86
  6. Step 6: Final answer
    x = 197,169.11

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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.