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Finding the Fourth Proportional to 354,237.56, 531,363.64 and 143,731.52

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Solution

The fourth proportional to 354,237.56, 531,363.64 and 143,731.52 is: 215,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,237.56 : 531,363.64 = 143,731.52 : x
  2. Step 2: Convert to fraction form
    354,237.56/531,363.64 = 143,731.52/x
  3. Step 3: Cross multiply
    354,237.56x = 531,363.64 × 143,731.52
  4. Step 4: Simplify right side
    354,237.56x = 76,373,703,649.93
  5. Step 5: Solve for x
    x = 76,373,703,649.93/354,237.56
  6. Step 6: Final answer
    x = 215,600.24

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