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Finding the Fourth Proportional to 293,176.80, 439,765.20 and 251,186.40

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Solution

The fourth proportional to 293,176.80, 439,765.20 and 251,186.40 is: 376,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,176.80 : 439,765.20 = 251,186.40 : x
  2. Step 2: Convert to fraction form
    293,176.80/439,765.20 = 251,186.40/x
  3. Step 3: Cross multiply
    293,176.80x = 439,765.20 × 251,186.40
  4. Step 4: Simplify right side
    293,176.80x = 110,463,037,433.28
  5. Step 5: Solve for x
    x = 110,463,037,433.28/293,176.80
  6. Step 6: Final answer
    x = 376,779.60

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