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Finding the Fourth Proportional to 336,133.20, 504,199.80 and 149,163.60

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Solution

The fourth proportional to 336,133.20, 504,199.80 and 149,163.60 is: 223,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,133.20 : 504,199.80 = 149,163.60 : x
  2. Step 2: Convert to fraction form
    336,133.20/504,199.80 = 149,163.60/x
  3. Step 3: Cross multiply
    336,133.20x = 504,199.80 × 149,163.60
  4. Step 4: Simplify right side
    336,133.20x = 75,208,257,287.28
  5. Step 5: Solve for x
    x = 75,208,257,287.28/336,133.20
  6. Step 6: Final answer
    x = 223,745.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.