Home / 271,845.20-407,832.60-131,488.40

Finding the Fourth Proportional to 271,845.20, 407,832.60 and 131,488.40

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Solution

The fourth proportional to 271,845.20, 407,832.60 and 131,488.40 is: 197,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,845.20 : 407,832.60 = 131,488.40 : x
  2. Step 2: Convert to fraction form
    271,845.20/407,832.60 = 131,488.40/x
  3. Step 3: Cross multiply
    271,845.20x = 407,832.60 × 131,488.40
  4. Step 4: Simplify right side
    271,845.20x = 53,625,256,041.84
  5. Step 5: Solve for x
    x = 53,625,256,041.84/271,845.20
  6. Step 6: Final answer
    x = 197,263.94

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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.