Home / 271,824.60-407,736.90-215,837.40

Finding the Fourth Proportional to 271,824.60, 407,736.90 and 215,837.40

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Solution

The fourth proportional to 271,824.60, 407,736.90 and 215,837.40 is: 323,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,824.60 : 407,736.90 = 215,837.40 : x
  2. Step 2: Convert to fraction form
    271,824.60/407,736.90 = 215,837.40/x
  3. Step 3: Cross multiply
    271,824.60x = 407,736.90 × 215,837.40
  4. Step 4: Simplify right side
    271,824.60x = 88,004,872,380.06
  5. Step 5: Solve for x
    x = 88,004,872,380.06/271,824.60
  6. Step 6: Final answer
    x = 323,756.10

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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.