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Finding the Fourth Proportional to 301,011.78, 415,414.90 and 166,875.78

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Solution

The fourth proportional to 301,011.78, 415,414.90 and 166,875.78 is: 230,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,011.78 : 415,414.90 = 166,875.78 : x
  2. Step 2: Convert to fraction form
    301,011.78/415,414.90 = 166,875.78/x
  3. Step 3: Cross multiply
    301,011.78x = 415,414.90 × 166,875.78
  4. Step 4: Simplify right side
    301,011.78x = 69,322,685,461.12
  5. Step 5: Solve for x
    x = 69,322,685,461.12/301,011.78
  6. Step 6: Final answer
    x = 230,298.91

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