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Finding the Fourth Proportional to 369,775.91, 510,246.87 and 208,621.55

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Solution

The fourth proportional to 369,775.91, 510,246.87 and 208,621.55 is: 287,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,775.91 : 510,246.87 = 208,621.55 : x
  2. Step 2: Convert to fraction form
    369,775.91/510,246.87 = 208,621.55/x
  3. Step 3: Cross multiply
    369,775.91x = 510,246.87 × 208,621.55
  4. Step 4: Simplify right side
    369,775.91x = 106,448,492,902.05
  5. Step 5: Solve for x
    x = 106,448,492,902.05/369,775.91
  6. Step 6: Final answer
    x = 287,872.98

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