Finding the Fourth Proportional to 227,213.96, 313,553.70 and 125,239.50
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Solution
The fourth proportional to 227,213.96, 313,553.70 and 125,239.50 is: 172,829.65
Step by Step Solution
- Step 1: Write the proportion equation
227,213.96 : 313,553.70 = 125,239.50 : x - Step 2: Convert to fraction form
227,213.96/313,553.70 = 125,239.50/x - Step 3: Cross multiply
227,213.96x = 313,553.70 × 125,239.50 - Step 4: Simplify right side
227,213.96x = 39,269,308,611.15 - Step 5: Solve for x
x = 39,269,308,611.15/227,213.96 - Step 6: Final answer
x = 172,829.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.