Home / 221,056.20-331,244.10-164,631.60

Finding the Fourth Proportional to 221,056.20, 331,244.10 and 164,631.60

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Solution

The fourth proportional to 221,056.20, 331,244.10 and 164,631.60 is: 246,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,056.20 : 331,244.10 = 164,631.60 : x
  2. Step 2: Convert to fraction form
    221,056.20/331,244.10 = 164,631.60/x
  3. Step 3: Cross multiply
    221,056.20x = 331,244.10 × 164,631.60
  4. Step 4: Simplify right side
    221,056.20x = 54,533,246,173.56
  5. Step 5: Solve for x
    x = 54,533,246,173.56/221,056.20
  6. Step 6: Final answer
    x = 246,694.04

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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.