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Finding the Fourth Proportional to 267,430.80, 401,016.60 and 148,976.40

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Solution

The fourth proportional to 267,430.80, 401,016.60 and 148,976.40 is: 223,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,430.80 : 401,016.60 = 148,976.40 : x
  2. Step 2: Convert to fraction form
    267,430.80/401,016.60 = 148,976.40/x
  3. Step 3: Cross multiply
    267,430.80x = 401,016.60 × 148,976.40
  4. Step 4: Simplify right side
    267,430.80x = 59,742,009,408.24
  5. Step 5: Solve for x
    x = 59,742,009,408.24/267,430.80
  6. Step 6: Final answer
    x = 223,392.40

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