Finding the Fourth Proportional to 271,750.11, 405,795.19 and 221,929.03
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Solution
The fourth proportional to 271,750.11, 405,795.19 and 221,929.03 is: 331,399.07
Step by Step Solution
- Step 1: Write the proportion equation
271,750.11 : 405,795.19 = 221,929.03 : x - Step 2: Convert to fraction form
271,750.11/405,795.19 = 221,929.03/x - Step 3: Cross multiply
271,750.11x = 405,795.19 × 221,929.03 - Step 4: Simplify right side
271,750.11x = 90,057,732,895.37 - Step 5: Solve for x
x = 90,057,732,895.37/271,750.11 - Step 6: Final answer
x = 331,399.07
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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.