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Finding the Fourth Proportional to 371,496.90, 512,671.68 and 210,347.64

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Solution

The fourth proportional to 371,496.90, 512,671.68 and 210,347.64 is: 290,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,496.90 : 512,671.68 = 210,347.64 : x
  2. Step 2: Convert to fraction form
    371,496.90/512,671.68 = 210,347.64/x
  3. Step 3: Cross multiply
    371,496.90x = 512,671.68 × 210,347.64
  4. Step 4: Simplify right side
    371,496.90x = 107,839,277,982.84
  5. Step 5: Solve for x
    x = 107,839,277,982.84/371,496.90
  6. Step 6: Final answer
    x = 290,283.12

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