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Finding the Fourth Proportional to 289,172.32, 433,778.76 and 89,466.42

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Solution

The fourth proportional to 289,172.32, 433,778.76 and 89,466.42 is: 134,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,172.32 : 433,778.76 = 89,466.42 : x
  2. Step 2: Convert to fraction form
    289,172.32/433,778.76 = 89,466.42/x
  3. Step 3: Cross multiply
    289,172.32x = 433,778.76 × 89,466.42
  4. Step 4: Simplify right side
    289,172.32x = 38,808,632,729.24
  5. Step 5: Solve for x
    x = 38,808,632,729.24/289,172.32
  6. Step 6: Final answer
    x = 134,205.90

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