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Finding the Fourth Proportional to 371,669.20, 512,859.98 and 218,673.74

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Solution

The fourth proportional to 371,669.20, 512,859.98 and 218,673.74 is: 301,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,669.20 : 512,859.98 = 218,673.74 : x
  2. Step 2: Convert to fraction form
    371,669.20/512,859.98 = 218,673.74/x
  3. Step 3: Cross multiply
    371,669.20x = 512,859.98 × 218,673.74
  4. Step 4: Simplify right side
    371,669.20x = 112,149,011,751.76
  5. Step 5: Solve for x
    x = 112,149,011,751.76/371,669.20
  6. Step 6: Final answer
    x = 301,744.17

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