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Finding the Fourth Proportional to 311,367.40, 467,051.10 and 153,903.40

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Solution

The fourth proportional to 311,367.40, 467,051.10 and 153,903.40 is: 230,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,367.40 : 467,051.10 = 153,903.40 : x
  2. Step 2: Convert to fraction form
    311,367.40/467,051.10 = 153,903.40/x
  3. Step 3: Cross multiply
    311,367.40x = 467,051.10 × 153,903.40
  4. Step 4: Simplify right side
    311,367.40x = 71,880,752,263.74
  5. Step 5: Solve for x
    x = 71,880,752,263.74/311,367.40
  6. Step 6: Final answer
    x = 230,855.10

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