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Finding the Fourth Proportional to 368,748.40, 552,733.80 and 210,636.40

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Solution

The fourth proportional to 368,748.40, 552,733.80 and 210,636.40 is: 315,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,748.40 : 552,733.80 = 210,636.40 : x
  2. Step 2: Convert to fraction form
    368,748.40/552,733.80 = 210,636.40/x
  3. Step 3: Cross multiply
    368,748.40x = 552,733.80 × 210,636.40
  4. Step 4: Simplify right side
    368,748.40x = 116,425,857,790.32
  5. Step 5: Solve for x
    x = 116,425,857,790.32/368,748.40
  6. Step 6: Final answer
    x = 315,732.51

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