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Finding the Fourth Proportional to 324,418.65, 486,678.56 and 155,907.57

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Solution

The fourth proportional to 324,418.65, 486,678.56 and 155,907.57 is: 233,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,418.65 : 486,678.56 = 155,907.57 : x
  2. Step 2: Convert to fraction form
    324,418.65/486,678.56 = 155,907.57/x
  3. Step 3: Cross multiply
    324,418.65x = 486,678.56 × 155,907.57
  4. Step 4: Simplify right side
    324,418.65x = 75,876,870,881.16
  5. Step 5: Solve for x
    x = 75,876,870,881.16/324,418.65
  6. Step 6: Final answer
    x = 233,885.66

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