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Finding the Fourth Proportional to 283,582.87, 391,043.42 and 255,020.65

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Solution

The fourth proportional to 283,582.87, 391,043.42 and 255,020.65 is: 351,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,582.87 : 391,043.42 = 255,020.65 : x
  2. Step 2: Convert to fraction form
    283,582.87/391,043.42 = 255,020.65/x
  3. Step 3: Cross multiply
    283,582.87x = 391,043.42 × 255,020.65
  4. Step 4: Simplify right side
    283,582.87x = 99,724,147,146.62
  5. Step 5: Solve for x
    x = 99,724,147,146.62/283,582.87
  6. Step 6: Final answer
    x = 351,657.87

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