Home / 792,172.56-1,188,239.04-231,211.92

Finding the Fourth Proportional to 792,172.56, 1,188,239.04 and 231,211.92

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Solution

The fourth proportional to 792,172.56, 1,188,239.04 and 231,211.92 is: 346,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,172.56 : 1,188,239.04 = 231,211.92 : x
  2. Step 2: Convert to fraction form
    792,172.56/1,188,239.04 = 231,211.92/x
  3. Step 3: Cross multiply
    792,172.56x = 1,188,239.04 × 231,211.92
  4. Step 4: Simplify right side
    792,172.56x = 274,735,029,857.36
  5. Step 5: Solve for x
    x = 274,735,029,857.36/792,172.56
  6. Step 6: Final answer
    x = 346,812.10

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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.