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Finding the Fourth Proportional to 367,054.80, 550,582.20 and 130,421.40

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Solution

The fourth proportional to 367,054.80, 550,582.20 and 130,421.40 is: 195,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,054.80 : 550,582.20 = 130,421.40 : x
  2. Step 2: Convert to fraction form
    367,054.80/550,582.20 = 130,421.40/x
  3. Step 3: Cross multiply
    367,054.80x = 550,582.20 × 130,421.40
  4. Step 4: Simplify right side
    367,054.80x = 71,807,701,339.08
  5. Step 5: Solve for x
    x = 71,807,701,339.08/367,054.80
  6. Step 6: Final answer
    x = 195,632.10

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