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Finding the Fourth Proportional to 387,129.96, 580,915.80 and 150,441.84

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Solution

The fourth proportional to 387,129.96, 580,915.80 and 150,441.84 is: 225,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,129.96 : 580,915.80 = 150,441.84 : x
  2. Step 2: Convert to fraction form
    387,129.96/580,915.80 = 150,441.84/x
  3. Step 3: Cross multiply
    387,129.96x = 580,915.80 × 150,441.84
  4. Step 4: Simplify right side
    387,129.96x = 87,394,041,837.07
  5. Step 5: Solve for x
    x = 87,394,041,837.07/387,129.96
  6. Step 6: Final answer
    x = 225,748.59

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