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Finding the Fourth Proportional to 289,324.40, 433,921.80 and 190,180.40

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Solution

The fourth proportional to 289,324.40, 433,921.80 and 190,180.40 is: 285,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,324.40 : 433,921.80 = 190,180.40 : x
  2. Step 2: Convert to fraction form
    289,324.40/433,921.80 = 190,180.40/x
  3. Step 3: Cross multiply
    289,324.40x = 433,921.80 × 190,180.40
  4. Step 4: Simplify right side
    289,324.40x = 82,523,421,492.72
  5. Step 5: Solve for x
    x = 82,523,421,492.72/289,324.40
  6. Step 6: Final answer
    x = 285,228.01

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