Home / 271,382.40-406,859.76-131,103.36

Finding the Fourth Proportional to 271,382.40, 406,859.76 and 131,103.36

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Solution

The fourth proportional to 271,382.40, 406,859.76 and 131,103.36 is: 196,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,382.40 : 406,859.76 = 131,103.36 : x
  2. Step 2: Convert to fraction form
    271,382.40/406,859.76 = 131,103.36/x
  3. Step 3: Cross multiply
    271,382.40x = 406,859.76 × 131,103.36
  4. Step 4: Simplify right side
    271,382.40x = 53,340,681,584.79
  5. Step 5: Solve for x
    x = 53,340,681,584.79/271,382.40
  6. Step 6: Final answer
    x = 196,551.74

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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.