Finding the Fourth Proportional to 271,636.89, 374,882.63 and 158,496.09
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Solution
The fourth proportional to 271,636.89, 374,882.63 and 158,496.09 is: 218,738.44
Step by Step Solution
- Step 1: Write the proportion equation
271,636.89 : 374,882.63 = 158,496.09 : x - Step 2: Convert to fraction form
271,636.89/374,882.63 = 158,496.09/x - Step 3: Cross multiply
271,636.89x = 374,882.63 × 158,496.09 - Step 4: Simplify right side
271,636.89x = 59,417,430,271.44 - Step 5: Solve for x
x = 59,417,430,271.44/271,636.89 - Step 6: Final answer
x = 218,738.44
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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.