Finding the Fourth Proportional to 271,644.89, 374,893.68 and 158,504.09
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Solution
The fourth proportional to 271,644.89, 374,893.68 and 158,504.09 is: 218,749.49
Step by Step Solution
- Step 1: Write the proportion equation
271,644.89 : 374,893.68 = 158,504.09 : x - Step 2: Convert to fraction form
271,644.89/374,893.68 = 158,504.09/x - Step 3: Cross multiply
271,644.89x = 374,893.68 × 158,504.09 - Step 4: Simplify right side
271,644.89x = 59,422,181,595.15 - Step 5: Solve for x
x = 59,422,181,595.15/271,644.89 - Step 6: Final answer
x = 218,749.49
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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.