Home / 284,850.54-393,077.84-155,763.43

Finding the Fourth Proportional to 284,850.54, 393,077.84 and 155,763.43

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Solution

The fourth proportional to 284,850.54, 393,077.84 and 155,763.43 is: 214,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,850.54 : 393,077.84 = 155,763.43 : x
  2. Step 2: Convert to fraction form
    284,850.54/393,077.84 = 155,763.43/x
  3. Step 3: Cross multiply
    284,850.54x = 393,077.84 × 155,763.43
  4. Step 4: Simplify right side
    284,850.54x = 61,227,150,853.88
  5. Step 5: Solve for x
    x = 61,227,150,853.88/284,850.54
  6. Step 6: Final answer
    x = 214,944.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.