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Finding the Fourth Proportional to 310,062.70, 465,094.05 and 215,584.30

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Solution

The fourth proportional to 310,062.70, 465,094.05 and 215,584.30 is: 323,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,062.70 : 465,094.05 = 215,584.30 : x
  2. Step 2: Convert to fraction form
    310,062.70/465,094.05 = 215,584.30/x
  3. Step 3: Cross multiply
    310,062.70x = 465,094.05 × 215,584.30
  4. Step 4: Simplify right side
    310,062.70x = 100,266,975,203.42
  5. Step 5: Solve for x
    x = 100,266,975,203.42/310,062.70
  6. Step 6: Final answer
    x = 323,376.45

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