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Finding the Fourth Proportional to 336,790.89, 504,748.92 and 136,878.63

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Solution

The fourth proportional to 336,790.89, 504,748.92 and 136,878.63 is: 205,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,790.89 : 504,748.92 = 136,878.63 : x
  2. Step 2: Convert to fraction form
    336,790.89/504,748.92 = 136,878.63/x
  3. Step 3: Cross multiply
    336,790.89x = 504,748.92 × 136,878.63
  4. Step 4: Simplify right side
    336,790.89x = 69,089,340,663.58
  5. Step 5: Solve for x
    x = 69,089,340,663.58/336,790.89
  6. Step 6: Final answer
    x = 205,140.17

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