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Finding the Fourth Proportional to 388,951.25, 536,752.74 and 210,103.25

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Solution

The fourth proportional to 388,951.25, 536,752.74 and 210,103.25 is: 289,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,951.25 : 536,752.74 = 210,103.25 : x
  2. Step 2: Convert to fraction form
    388,951.25/536,752.74 = 210,103.25/x
  3. Step 3: Cross multiply
    388,951.25x = 536,752.74 × 210,103.25
  4. Step 4: Simplify right side
    388,951.25x = 112,773,495,120.41
  5. Step 5: Solve for x
    x = 112,773,495,120.41/388,951.25
  6. Step 6: Final answer
    x = 289,942.49

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