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Finding the Fourth Proportional to 268,756.76, 370,899.64 and 154,054.48

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Solution

The fourth proportional to 268,756.76, 370,899.64 and 154,054.48 is: 212,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,756.76 : 370,899.64 = 154,054.48 : x
  2. Step 2: Convert to fraction form
    268,756.76/370,899.64 = 154,054.48/x
  3. Step 3: Cross multiply
    268,756.76x = 370,899.64 × 154,054.48
  4. Step 4: Simplify right side
    268,756.76x = 57,138,751,172.39
  5. Step 5: Solve for x
    x = 57,138,751,172.39/268,756.76
  6. Step 6: Final answer
    x = 212,603.96

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