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Finding the Fourth Proportional to 365,830.10, 548,745.15 and 208,366.10

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Solution

The fourth proportional to 365,830.10, 548,745.15 and 208,366.10 is: 312,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,830.10 : 548,745.15 = 208,366.10 : x
  2. Step 2: Convert to fraction form
    365,830.10/548,745.15 = 208,366.10/x
  3. Step 3: Cross multiply
    365,830.10x = 548,745.15 × 208,366.10
  4. Step 4: Simplify right side
    365,830.10x = 114,339,886,799.42
  5. Step 5: Solve for x
    x = 114,339,886,799.42/365,830.10
  6. Step 6: Final answer
    x = 312,549.15

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