Home / 271,844.32-407,816.68-89,485.43

Finding the Fourth Proportional to 271,844.32, 407,816.68 and 89,485.43

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Solution

The fourth proportional to 271,844.32, 407,816.68 and 89,485.43 is: 134,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,844.32 : 407,816.68 = 89,485.43 : x
  2. Step 2: Convert to fraction form
    271,844.32/407,816.68 = 89,485.43/x
  3. Step 3: Cross multiply
    271,844.32x = 407,816.68 × 89,485.43
  4. Step 4: Simplify right side
    271,844.32x = 36,493,650,523.55
  5. Step 5: Solve for x
    x = 36,493,650,523.55/271,844.32
  6. Step 6: Final answer
    x = 134,244.67

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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.