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Finding the Fourth Proportional to 274,492.28, 378,754.15 and 172,445.51

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Solution

The fourth proportional to 274,492.28, 378,754.15 and 172,445.51 is: 237,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,492.28 : 378,754.15 = 172,445.51 : x
  2. Step 2: Convert to fraction form
    274,492.28/378,754.15 = 172,445.51/x
  3. Step 3: Cross multiply
    274,492.28x = 378,754.15 × 172,445.51
  4. Step 4: Simplify right side
    274,492.28x = 65,314,450,667.60
  5. Step 5: Solve for x
    x = 65,314,450,667.60/274,492.28
  6. Step 6: Final answer
    x = 237,946.41

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