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Finding the Fourth Proportional to 154,978, 232,467 and 38,242

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Solution

The fourth proportional to 154,978, 232,467 and 38,242 is: 57,363

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,978 : 232,467 = 38,242 : x
  2. Step 2: Convert to fraction form
    154,978/232,467 = 38,242/x
  3. Step 3: Cross multiply
    154,978x = 232,467 × 38,242
  4. Step 4: Simplify right side
    154,978x = 8,890,003,014
  5. Step 5: Solve for x
    x = 8,890,003,014/154,978
  6. Step 6: Final answer
    x = 57,363

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