Finding the Fourth Proportional to 486,392.58, 671,152.35 and 271,527.93
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Solution
The fourth proportional to 486,392.58, 671,152.35 and 271,527.93 is: 374,669.80
Step by Step Solution
- Step 1: Write the proportion equation
486,392.58 : 671,152.35 = 271,527.93 : x - Step 2: Convert to fraction form
486,392.58/671,152.35 = 271,527.93/x - Step 3: Cross multiply
486,392.58x = 671,152.35 × 271,527.93 - Step 4: Simplify right side
486,392.58x = 182,236,608,310.14 - Step 5: Solve for x
x = 182,236,608,310.14/486,392.58 - Step 6: Final answer
x = 374,669.80
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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.