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Finding the Fourth Proportional to 282,101.40, 389,300.40 and 154,777.91

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Solution

The fourth proportional to 282,101.40, 389,300.40 and 154,777.91 is: 213,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,101.40 : 389,300.40 = 154,777.91 : x
  2. Step 2: Convert to fraction form
    282,101.40/389,300.40 = 154,777.91/x
  3. Step 3: Cross multiply
    282,101.40x = 389,300.40 × 154,777.91
  4. Step 4: Simplify right side
    282,101.40x = 60,255,100,327.66
  5. Step 5: Solve for x
    x = 60,255,100,327.66/282,101.40
  6. Step 6: Final answer
    x = 213,593.77

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