Finding the Fourth Proportional to 271,750.79, 405,796.21 and 221,929.72
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Solution
The fourth proportional to 271,750.79, 405,796.21 and 221,929.72 is: 331,400.09
Step by Step Solution
- Step 1: Write the proportion equation
271,750.79 : 405,796.21 = 221,929.72 : x - Step 2: Convert to fraction form
271,750.79/405,796.21 = 221,929.72/x - Step 3: Cross multiply
271,750.79x = 405,796.21 × 221,929.72 - Step 4: Simplify right side
271,750.79x = 90,058,237,693.05 - Step 5: Solve for x
x = 90,058,237,693.05/271,750.79 - Step 6: Final answer
x = 331,400.09
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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.