Home / 378,288.24-522,034.58-206,203.04

Finding the Fourth Proportional to 378,288.24, 522,034.58 and 206,203.04

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Solution

The fourth proportional to 378,288.24, 522,034.58 and 206,203.04 is: 284,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,288.24 : 522,034.58 = 206,203.04 : x
  2. Step 2: Convert to fraction form
    378,288.24/522,034.58 = 206,203.04/x
  3. Step 3: Cross multiply
    378,288.24x = 522,034.58 × 206,203.04
  4. Step 4: Simplify right side
    378,288.24x = 107,645,117,381.12
  5. Step 5: Solve for x
    x = 107,645,117,381.12/378,288.24
  6. Step 6: Final answer
    x = 284,558.46

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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.