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Finding the Fourth Proportional to 307,738.98, 461,627.94 and 130,222.62

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Solution

The fourth proportional to 307,738.98, 461,627.94 and 130,222.62 is: 195,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,738.98 : 461,627.94 = 130,222.62 : x
  2. Step 2: Convert to fraction form
    307,738.98/461,627.94 = 130,222.62/x
  3. Step 3: Cross multiply
    307,738.98x = 461,627.94 × 130,222.62
  4. Step 4: Simplify right side
    307,738.98x = 60,114,399,812.00
  5. Step 5: Solve for x
    x = 60,114,399,812.00/307,738.98
  6. Step 6: Final answer
    x = 195,342.17

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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.