Finding the Fourth Proportional to 486,534.96, 671,411.97 and 271,678.68
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Solution
The fourth proportional to 486,534.96, 671,411.97 and 271,678.68 is: 374,913.07
Step by Step Solution
- Step 1: Write the proportion equation
486,534.96 : 671,411.97 = 271,678.68 : x - Step 2: Convert to fraction form
486,534.96/671,411.97 = 271,678.68/x - Step 3: Cross multiply
486,534.96x = 671,411.97 × 271,678.68 - Step 4: Simplify right side
486,534.96x = 182,408,317,745.80 - Step 5: Solve for x
x = 182,408,317,745.80/486,534.96 - Step 6: Final answer
x = 374,913.07
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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.