Home / 285,550.90-393,425.85-188,582.56

Finding the Fourth Proportional to 285,550.90, 393,425.85 and 188,582.56

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Solution

The fourth proportional to 285,550.90, 393,425.85 and 188,582.56 is: 259,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,550.90 : 393,425.85 = 188,582.56 : x
  2. Step 2: Convert to fraction form
    285,550.90/393,425.85 = 188,582.56/x
  3. Step 3: Cross multiply
    285,550.90x = 393,425.85 × 188,582.56
  4. Step 4: Simplify right side
    285,550.90x = 74,193,253,963.18
  5. Step 5: Solve for x
    x = 74,193,253,963.18/285,550.90
  6. Step 6: Final answer
    x = 259,824.97

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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.