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Finding the Fourth Proportional to 335,099.70, 502,649.55 and 220,938.30

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Solution

The fourth proportional to 335,099.70, 502,649.55 and 220,938.30 is: 331,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,099.70 : 502,649.55 = 220,938.30 : x
  2. Step 2: Convert to fraction form
    335,099.70/502,649.55 = 220,938.30/x
  3. Step 3: Cross multiply
    335,099.70x = 502,649.55 × 220,938.30
  4. Step 4: Simplify right side
    335,099.70x = 111,054,537,072.77
  5. Step 5: Solve for x
    x = 111,054,537,072.77/335,099.70
  6. Step 6: Final answer
    x = 331,407.45

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