Home / 271,723.20-407,584.80-253,291.20

Finding the Fourth Proportional to 271,723.20, 407,584.80 and 253,291.20

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Solution

The fourth proportional to 271,723.20, 407,584.80 and 253,291.20 is: 379,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,723.20 : 407,584.80 = 253,291.20 : x
  2. Step 2: Convert to fraction form
    271,723.20/407,584.80 = 253,291.20/x
  3. Step 3: Cross multiply
    271,723.20x = 407,584.80 × 253,291.20
  4. Step 4: Simplify right side
    271,723.20x = 103,237,643,093.76
  5. Step 5: Solve for x
    x = 103,237,643,093.76/271,723.20
  6. Step 6: Final answer
    x = 379,936.80

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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.