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Finding the Fourth Proportional to 359,909.20, 540,190.97 and 191,570.34

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Solution

The fourth proportional to 359,909.20, 540,190.97 and 191,570.34 is: 287,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,909.20 : 540,190.97 = 191,570.34 : x
  2. Step 2: Convert to fraction form
    359,909.20/540,190.97 = 191,570.34/x
  3. Step 3: Cross multiply
    359,909.20x = 540,190.97 × 191,570.34
  4. Step 4: Simplify right side
    359,909.20x = 103,484,567,548.37
  5. Step 5: Solve for x
    x = 103,484,567,548.37/359,909.20
  6. Step 6: Final answer
    x = 287,529.66

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