Home / 378,213.70-566,555.10-235,621.30

Finding the Fourth Proportional to 378,213.70, 566,555.10 and 235,621.30

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Solution

The fourth proportional to 378,213.70, 566,555.10 and 235,621.30 is: 352,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,213.70 : 566,555.10 = 235,621.30 : x
  2. Step 2: Convert to fraction form
    378,213.70/566,555.10 = 235,621.30/x
  3. Step 3: Cross multiply
    378,213.70x = 566,555.10 × 235,621.30
  4. Step 4: Simplify right side
    378,213.70x = 133,492,449,183.63
  5. Step 5: Solve for x
    x = 133,492,449,183.63/378,213.70
  6. Step 6: Final answer
    x = 352,955.09

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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.