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Finding the Fourth Proportional to 328,175.40, 492,263.10 and 178,876.20

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Solution

The fourth proportional to 328,175.40, 492,263.10 and 178,876.20 is: 268,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,175.40 : 492,263.10 = 178,876.20 : x
  2. Step 2: Convert to fraction form
    328,175.40/492,263.10 = 178,876.20/x
  3. Step 3: Cross multiply
    328,175.40x = 492,263.10 × 178,876.20
  4. Step 4: Simplify right side
    328,175.40x = 88,054,152,728.22
  5. Step 5: Solve for x
    x = 88,054,152,728.22/328,175.40
  6. Step 6: Final answer
    x = 268,314.30

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