Home / 378,272.65-522,000.55-206,186.83

Finding the Fourth Proportional to 378,272.65, 522,000.55 and 206,186.83

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Solution

The fourth proportional to 378,272.65, 522,000.55 and 206,186.83 is: 284,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,272.65 : 522,000.55 = 206,186.83 : x
  2. Step 2: Convert to fraction form
    378,272.65/522,000.55 = 206,186.83/x
  3. Step 3: Cross multiply
    378,272.65x = 522,000.55 × 206,186.83
  4. Step 4: Simplify right side
    378,272.65x = 107,629,635,644.54
  5. Step 5: Solve for x
    x = 107,629,635,644.54/378,272.65
  6. Step 6: Final answer
    x = 284,529.26

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1.5x scale

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.