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Finding the Fourth Proportional to 305,214.60, 457,712.55 and 155,405.10

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Solution

The fourth proportional to 305,214.60, 457,712.55 and 155,405.10 is: 233,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,214.60 : 457,712.55 = 155,405.10 : x
  2. Step 2: Convert to fraction form
    305,214.60/457,712.55 = 155,405.10/x
  3. Step 3: Cross multiply
    305,214.60x = 457,712.55 × 155,405.10
  4. Step 4: Simplify right side
    305,214.60x = 71,130,864,604.01
  5. Step 5: Solve for x
    x = 71,130,864,604.01/305,214.60
  6. Step 6: Final answer
    x = 233,051.97

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