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Finding the Fourth Proportional to 260,553.65, 390,771.44 and 132,339.96

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Solution

The fourth proportional to 260,553.65, 390,771.44 and 132,339.96 is: 198,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,553.65 : 390,771.44 = 132,339.96 : x
  2. Step 2: Convert to fraction form
    260,553.65/390,771.44 = 132,339.96/x
  3. Step 3: Cross multiply
    260,553.65x = 390,771.44 × 132,339.96
  4. Step 4: Simplify right side
    260,553.65x = 51,714,676,573.32
  5. Step 5: Solve for x
    x = 51,714,676,573.32/260,553.65
  6. Step 6: Final answer
    x = 198,479.96

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