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Finding the Fourth Proportional to 228,608.92, 342,942.54 and 70,846.84

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Solution

The fourth proportional to 228,608.92, 342,942.54 and 70,846.84 is: 106,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,608.92 : 342,942.54 = 70,846.84 : x
  2. Step 2: Convert to fraction form
    228,608.92/342,942.54 = 70,846.84/x
  3. Step 3: Cross multiply
    228,608.92x = 342,942.54 × 70,846.84
  4. Step 4: Simplify right side
    228,608.92x = 24,296,395,260.57
  5. Step 5: Solve for x
    x = 24,296,395,260.57/228,608.92
  6. Step 6: Final answer
    x = 106,279.30

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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.