Finding the Fourth Proportional to 486,497.48, 671,408.02 and 271,679.05
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Solution
The fourth proportional to 486,497.48, 671,408.02 and 271,679.05 is: 374,940.26
Step by Step Solution
- Step 1: Write the proportion equation
486,497.48 : 671,408.02 = 271,679.05 : x - Step 2: Convert to fraction form
486,497.48/671,408.02 = 271,679.05/x - Step 3: Cross multiply
486,497.48x = 671,408.02 × 271,679.05 - Step 4: Simplify right side
486,497.48x = 182,407,493,035.98 - Step 5: Solve for x
x = 182,407,493,035.98/486,497.48 - Step 6: Final answer
x = 374,940.26
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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.