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Finding the Fourth Proportional to 354,663.20, 532,043.40 and 117,981.20

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Solution

The fourth proportional to 354,663.20, 532,043.40 and 117,981.20 is: 176,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,663.20 : 532,043.40 = 117,981.20 : x
  2. Step 2: Convert to fraction form
    354,663.20/532,043.40 = 117,981.20/x
  3. Step 3: Cross multiply
    354,663.20x = 532,043.40 × 117,981.20
  4. Step 4: Simplify right side
    354,663.20x = 62,771,118,784.08
  5. Step 5: Solve for x
    x = 62,771,118,784.08/354,663.20
  6. Step 6: Final answer
    x = 176,987.97

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