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Finding the Fourth Proportional to 354,985.48, 532,381.23 and 127,238.64

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Solution

The fourth proportional to 354,985.48, 532,381.23 and 127,238.64 is: 190,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,985.48 : 532,381.23 = 127,238.64 : x
  2. Step 2: Convert to fraction form
    354,985.48/532,381.23 = 127,238.64/x
  3. Step 3: Cross multiply
    354,985.48x = 532,381.23 × 127,238.64
  4. Step 4: Simplify right side
    354,985.48x = 67,739,465,265.54
  5. Step 5: Solve for x
    x = 67,739,465,265.54/354,985.48
  6. Step 6: Final answer
    x = 190,823.20

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