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Finding the Fourth Proportional to 319,004.60, 478,506.90 and 161,212.55

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Solution

The fourth proportional to 319,004.60, 478,506.90 and 161,212.55 is: 241,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,004.60 : 478,506.90 = 161,212.55 : x
  2. Step 2: Convert to fraction form
    319,004.60/478,506.90 = 161,212.55/x
  3. Step 3: Cross multiply
    319,004.60x = 478,506.90 × 161,212.55
  4. Step 4: Simplify right side
    319,004.60x = 77,141,317,541.60
  5. Step 5: Solve for x
    x = 77,141,317,541.60/319,004.60
  6. Step 6: Final answer
    x = 241,818.83

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