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Finding the Fourth Proportional to 286,866.80, 430,300.20 and 181,804.40

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Solution

The fourth proportional to 286,866.80, 430,300.20 and 181,804.40 is: 272,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,866.80 : 430,300.20 = 181,804.40 : x
  2. Step 2: Convert to fraction form
    286,866.80/430,300.20 = 181,804.40/x
  3. Step 3: Cross multiply
    286,866.80x = 430,300.20 × 181,804.40
  4. Step 4: Simplify right side
    286,866.80x = 78,230,469,680.88
  5. Step 5: Solve for x
    x = 78,230,469,680.88/286,866.80
  6. Step 6: Final answer
    x = 272,706.60

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