Home / 378,579.91-522,441.92-206,501.58

Finding the Fourth Proportional to 378,579.91, 522,441.92 and 206,501.58

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Solution

The fourth proportional to 378,579.91, 522,441.92 and 206,501.58 is: 284,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,579.91 : 522,441.92 = 206,501.58 : x
  2. Step 2: Convert to fraction form
    378,579.91/522,441.92 = 206,501.58/x
  3. Step 3: Cross multiply
    378,579.91x = 522,441.92 × 206,501.58
  4. Step 4: Simplify right side
    378,579.91x = 107,885,079,823.55
  5. Step 5: Solve for x
    x = 107,885,079,823.55/378,579.91
  6. Step 6: Final answer
    x = 284,973.07

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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.