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Finding the Fourth Proportional to 493,200.78, 739,859.49 and 156,256.98

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Solution

The fourth proportional to 493,200.78, 739,859.49 and 156,256.98 is: 234,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,200.78 : 739,859.49 = 156,256.98 : x
  2. Step 2: Convert to fraction form
    493,200.78/739,859.49 = 156,256.98/x
  3. Step 3: Cross multiply
    493,200.78x = 739,859.49 × 156,256.98
  4. Step 4: Simplify right side
    493,200.78x = 115,608,209,531.74
  5. Step 5: Solve for x
    x = 115,608,209,531.74/493,200.78
  6. Step 6: Final answer
    x = 234,403.95

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