Finding the Fourth Proportional to 271,750.26, 405,795.36 and 221,929.20
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Solution
The fourth proportional to 271,750.26, 405,795.36 and 221,929.20 is: 331,399.28
Step by Step Solution
- Step 1: Write the proportion equation
271,750.26 : 405,795.36 = 221,929.20 : x - Step 2: Convert to fraction form
271,750.26/405,795.36 = 221,929.20/x - Step 3: Cross multiply
271,750.26x = 405,795.36 × 221,929.20 - Step 4: Simplify right side
271,750.26x = 90,057,839,608.51 - Step 5: Solve for x
x = 90,057,839,608.51/271,750.26 - Step 6: Final answer
x = 331,399.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.