Finding the Fourth Proportional to 486,495.48, 671,405.26 and 271,677.05
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Solution
The fourth proportional to 486,495.48, 671,405.26 and 271,677.05 is: 374,937.50
Step by Step Solution
- Step 1: Write the proportion equation
486,495.48 : 671,405.26 = 271,677.05 : x - Step 2: Convert to fraction form
486,495.48/671,405.26 = 271,677.05/x - Step 3: Cross multiply
486,495.48x = 671,405.26 × 271,677.05 - Step 4: Simplify right side
486,495.48x = 182,405,397,034.26 - Step 5: Solve for x
x = 182,405,397,034.26/486,495.48 - Step 6: Final answer
x = 374,937.50
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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.