Home / 271,824.10-407,736.15-84,811.30

Finding the Fourth Proportional to 271,824.10, 407,736.15 and 84,811.30

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Solution

The fourth proportional to 271,824.10, 407,736.15 and 84,811.30 is: 127,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,824.10 : 407,736.15 = 84,811.30 : x
  2. Step 2: Convert to fraction form
    271,824.10/407,736.15 = 84,811.30/x
  3. Step 3: Cross multiply
    271,824.10x = 407,736.15 × 84,811.30
  4. Step 4: Simplify right side
    271,824.10x = 34,580,632,938.50
  5. Step 5: Solve for x
    x = 34,580,632,938.50/271,824.10
  6. Step 6: Final answer
    x = 127,216.95

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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.