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Finding the Fourth Proportional to 355,320.40, 532,980.60 and 102,600.40

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Solution

The fourth proportional to 355,320.40, 532,980.60 and 102,600.40 is: 153,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,320.40 : 532,980.60 = 102,600.40 : x
  2. Step 2: Convert to fraction form
    355,320.40/532,980.60 = 102,600.40/x
  3. Step 3: Cross multiply
    355,320.40x = 532,980.60 × 102,600.40
  4. Step 4: Simplify right side
    355,320.40x = 54,684,022,752.24
  5. Step 5: Solve for x
    x = 54,684,022,752.24/355,320.40
  6. Step 6: Final answer
    x = 153,900.60

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