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Finding the Fourth Proportional to 343,978.29, 516,056.53 and 130,749.84

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Solution

The fourth proportional to 343,978.29, 516,056.53 and 130,749.84 is: 196,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,978.29 : 516,056.53 = 130,749.84 : x
  2. Step 2: Convert to fraction form
    343,978.29/516,056.53 = 130,749.84/x
  3. Step 3: Cross multiply
    343,978.29x = 516,056.53 × 130,749.84
  4. Step 4: Simplify right side
    343,978.29x = 67,474,308,728.46
  5. Step 5: Solve for x
    x = 67,474,308,728.46/343,978.29
  6. Step 6: Final answer
    x = 196,158.63

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