Finding the Fourth Proportional to 488,925.38, 674,718.60 and 271,149.68
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Solution
The fourth proportional to 488,925.38, 674,718.60 and 271,149.68 is: 374,187.43
Step by Step Solution
- Step 1: Write the proportion equation
488,925.38 : 674,718.60 = 271,149.68 : x - Step 2: Convert to fraction form
488,925.38/674,718.60 = 271,149.68/x - Step 3: Cross multiply
488,925.38x = 674,718.60 × 271,149.68 - Step 4: Simplify right side
488,925.38x = 182,949,732,480.05 - Step 5: Solve for x
x = 182,949,732,480.05/488,925.38 - Step 6: Final answer
x = 374,187.43
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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.