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Finding the Fourth Proportional to 284,966.48, 393,265.32 and 157,639.88

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Solution

The fourth proportional to 284,966.48, 393,265.32 and 157,639.88 is: 217,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,966.48 : 393,265.32 = 157,639.88 : x
  2. Step 2: Convert to fraction form
    284,966.48/393,265.32 = 157,639.88/x
  3. Step 3: Cross multiply
    284,966.48x = 393,265.32 × 157,639.88
  4. Step 4: Simplify right side
    284,966.48x = 61,994,297,852.96
  5. Step 5: Solve for x
    x = 61,994,297,852.96/284,966.48
  6. Step 6: Final answer
    x = 217,549.44

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