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Finding the Fourth Proportional to 359,343.60, 538,432.20 and 225,985.20

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Solution

The fourth proportional to 359,343.60, 538,432.20 and 225,985.20 is: 338,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,343.60 : 538,432.20 = 225,985.20 : x
  2. Step 2: Convert to fraction form
    359,343.60/538,432.20 = 225,985.20/x
  3. Step 3: Cross multiply
    359,343.60x = 538,432.20 × 225,985.20
  4. Step 4: Simplify right side
    359,343.60x = 121,677,708,403.44
  5. Step 5: Solve for x
    x = 121,677,708,403.44/359,343.60
  6. Step 6: Final answer
    x = 338,611.04

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