Finding the Fourth Proportional to 271,236.90, 374,329.10 and 150,416.09
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Solution
The fourth proportional to 271,236.90, 374,329.10 and 150,416.09 is: 207,586.50
Step by Step Solution
- Step 1: Write the proportion equation
271,236.90 : 374,329.10 = 150,416.09 : x - Step 2: Convert to fraction form
271,236.90/374,329.10 = 150,416.09/x - Step 3: Cross multiply
271,236.90x = 374,329.10 × 150,416.09 - Step 4: Simplify right side
271,236.90x = 56,305,118,099.61 - Step 5: Solve for x
x = 56,305,118,099.61/271,236.90 - Step 6: Final answer
x = 207,586.50
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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.