Finding the Fourth Proportional to 228,108.81, 342,212.10 and 68,197.26
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Solution
The fourth proportional to 228,108.81, 342,212.10 and 68,197.26 is: 102,310.50
Step by Step Solution
- Step 1: Write the proportion equation
228,108.81 : 342,212.10 = 68,197.26 : x - Step 2: Convert to fraction form
228,108.81/342,212.10 = 68,197.26/x - Step 3: Cross multiply
228,108.81x = 342,212.10 × 68,197.26 - Step 4: Simplify right side
228,108.81x = 23,337,925,847.79 - Step 5: Solve for x
x = 23,337,925,847.79/228,108.81 - Step 6: Final answer
x = 102,310.50
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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.