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Finding the Fourth Proportional to 371,919.01, 513,228.55 and 210,775.99

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Solution

The fourth proportional to 371,919.01, 513,228.55 and 210,775.99 is: 290,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,919.01 : 513,228.55 = 210,775.99 : x
  2. Step 2: Convert to fraction form
    371,919.01/513,228.55 = 210,775.99/x
  3. Step 3: Cross multiply
    371,919.01x = 513,228.55 × 210,775.99
  4. Step 4: Simplify right side
    371,919.01x = 108,176,252,102.49
  5. Step 5: Solve for x
    x = 108,176,252,102.49/371,919.01
  6. Step 6: Final answer
    x = 290,859.71

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