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Finding the Fourth Proportional to 278,683.32, 384,742.44 and 183,466.80

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Solution

The fourth proportional to 278,683.32, 384,742.44 and 183,466.80 is: 253,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,683.32 : 384,742.44 = 183,466.80 : x
  2. Step 2: Convert to fraction form
    278,683.32/384,742.44 = 183,466.80/x
  3. Step 3: Cross multiply
    278,683.32x = 384,742.44 × 183,466.80
  4. Step 4: Simplify right side
    278,683.32x = 70,587,464,290.99
  5. Step 5: Solve for x
    x = 70,587,464,290.99/278,683.32
  6. Step 6: Final answer
    x = 253,289.16

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