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Finding the Fourth Proportional to 333,880.40, 500,820.08 and 221,779.28

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Solution

The fourth proportional to 333,880.40, 500,820.08 and 221,779.28 is: 332,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,880.40 : 500,820.08 = 221,779.28 : x
  2. Step 2: Convert to fraction form
    333,880.40/500,820.08 = 221,779.28/x
  3. Step 3: Cross multiply
    333,880.40x = 500,820.08 × 221,779.28
  4. Step 4: Simplify right side
    333,880.40x = 111,071,516,751.94
  5. Step 5: Solve for x
    x = 111,071,516,751.94/333,880.40
  6. Step 6: Final answer
    x = 332,668.57

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