Home / 378,306.15-522,052.65-206,227.53

Finding the Fourth Proportional to 378,306.15, 522,052.65 and 206,227.53

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Solution

The fourth proportional to 378,306.15, 522,052.65 and 206,227.53 is: 284,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,306.15 : 522,052.65 = 206,227.53 : x
  2. Step 2: Convert to fraction form
    378,306.15/522,052.65 = 206,227.53/x
  3. Step 3: Cross multiply
    378,306.15x = 522,052.65 × 206,227.53
  4. Step 4: Simplify right side
    378,306.15x = 107,661,628,539.46
  5. Step 5: Solve for x
    x = 107,661,628,539.46/378,306.15
  6. Step 6: Final answer
    x = 284,588.63

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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.