Home / 271,625.12-408,101.92-256,518.40

Finding the Fourth Proportional to 271,625.12, 408,101.92 and 256,518.40

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Solution

The fourth proportional to 271,625.12, 408,101.92 and 256,518.40 is: 385,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,625.12 : 408,101.92 = 256,518.40 : x
  2. Step 2: Convert to fraction form
    271,625.12/408,101.92 = 256,518.40/x
  3. Step 3: Cross multiply
    271,625.12x = 408,101.92 × 256,518.40
  4. Step 4: Simplify right side
    271,625.12x = 104,685,651,555.33
  5. Step 5: Solve for x
    x = 104,685,651,555.33/271,625.12
  6. Step 6: Final answer
    x = 385,404.90

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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.