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Finding the Fourth Proportional to 373,556.80, 560,335.20 and 255,458.80

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Solution

The fourth proportional to 373,556.80, 560,335.20 and 255,458.80 is: 383,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,556.80 : 560,335.20 = 255,458.80 : x
  2. Step 2: Convert to fraction form
    373,556.80/560,335.20 = 255,458.80/x
  3. Step 3: Cross multiply
    373,556.80x = 560,335.20 × 255,458.80
  4. Step 4: Simplify right side
    373,556.80x = 143,142,557,789.76
  5. Step 5: Solve for x
    x = 143,142,557,789.76/373,556.80
  6. Step 6: Final answer
    x = 383,188.20

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