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Finding the Fourth Proportional to 359,165.80, 538,518.30 and 148,887.40

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Solution

The fourth proportional to 359,165.80, 538,518.30 and 148,887.40 is: 223,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,165.80 : 538,518.30 = 148,887.40 : x
  2. Step 2: Convert to fraction form
    359,165.80/538,518.30 = 148,887.40/x
  3. Step 3: Cross multiply
    359,165.80x = 538,518.30 × 148,887.40
  4. Step 4: Simplify right side
    359,165.80x = 80,178,589,539.42
  5. Step 5: Solve for x
    x = 80,178,589,539.42/359,165.80
  6. Step 6: Final answer
    x = 223,235.59

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