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Finding the Fourth Proportional to 229,193.44, 316,292.40 and 128,598.88

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Solution

The fourth proportional to 229,193.44, 316,292.40 and 128,598.88 is: 177,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,193.44 : 316,292.40 = 128,598.88 : x
  2. Step 2: Convert to fraction form
    229,193.44/316,292.40 = 128,598.88/x
  3. Step 3: Cross multiply
    229,193.44x = 316,292.40 × 128,598.88
  4. Step 4: Simplify right side
    229,193.44x = 40,674,848,392.51
  5. Step 5: Solve for x
    x = 40,674,848,392.51/229,193.44
  6. Step 6: Final answer
    x = 177,469.51

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