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Finding the Fourth Proportional to 282,151.84, 389,368.47 and 154,829.56

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Solution

The fourth proportional to 282,151.84, 389,368.47 and 154,829.56 is: 213,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,151.84 : 389,368.47 = 154,829.56 : x
  2. Step 2: Convert to fraction form
    282,151.84/389,368.47 = 154,829.56/x
  3. Step 3: Cross multiply
    282,151.84x = 389,368.47 × 154,829.56
  4. Step 4: Simplify right side
    282,151.84x = 60,285,748,887.97
  5. Step 5: Solve for x
    x = 60,285,748,887.97/282,151.84
  6. Step 6: Final answer
    x = 213,664.21

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