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Finding the Fourth Proportional to 295,449.80, 442,872.30 and 145,459.40

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Solution

The fourth proportional to 295,449.80, 442,872.30 and 145,459.40 is: 218,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,449.80 : 442,872.30 = 145,459.40 : x
  2. Step 2: Convert to fraction form
    295,449.80/442,872.30 = 145,459.40/x
  3. Step 3: Cross multiply
    295,449.80x = 442,872.30 × 145,459.40
  4. Step 4: Simplify right side
    295,449.80x = 64,419,939,034.62
  5. Step 5: Solve for x
    x = 64,419,939,034.62/295,449.80
  6. Step 6: Final answer
    x = 218,040.22

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