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Finding the Fourth Proportional to 353,889.20, 530,056.20 and 307,233.20

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Solution

The fourth proportional to 353,889.20, 530,056.20 and 307,233.20 is: 460,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,889.20 : 530,056.20 = 307,233.20 : x
  2. Step 2: Convert to fraction form
    353,889.20/530,056.20 = 307,233.20/x
  3. Step 3: Cross multiply
    353,889.20x = 530,056.20 × 307,233.20
  4. Step 4: Simplify right side
    353,889.20x = 162,850,862,505.84
  5. Step 5: Solve for x
    x = 162,850,862,505.84/353,889.20
  6. Step 6: Final answer
    x = 460,174.72

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