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Finding the Fourth Proportional to 313,816.72, 433,075.50 and 170,586.40

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Solution

The fourth proportional to 313,816.72, 433,075.50 and 170,586.40 is: 235,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,816.72 : 433,075.50 = 170,586.40 : x
  2. Step 2: Convert to fraction form
    313,816.72/433,075.50 = 170,586.40/x
  3. Step 3: Cross multiply
    313,816.72x = 433,075.50 × 170,586.40
  4. Step 4: Simplify right side
    313,816.72x = 73,876,790,473.20
  5. Step 5: Solve for x
    x = 73,876,790,473.20/313,816.72
  6. Step 6: Final answer
    x = 235,413.81

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