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Finding the Fourth Proportional to 366,911.48, 550,394.55 and 130,223.40

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Solution

The fourth proportional to 366,911.48, 550,394.55 and 130,223.40 is: 195,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.48 : 550,394.55 = 130,223.40 : x
  2. Step 2: Convert to fraction form
    366,911.48/550,394.55 = 130,223.40/x
  3. Step 3: Cross multiply
    366,911.48x = 550,394.55 × 130,223.40
  4. Step 4: Simplify right side
    366,911.48x = 71,674,249,642.47
  5. Step 5: Solve for x
    x = 71,674,249,642.47/366,911.48
  6. Step 6: Final answer
    x = 195,344.80

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