Finding the Fourth Proportional to 451,781.54, 676,768.74 and 271,767.75
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Solution
The fourth proportional to 451,781.54, 676,768.74 and 271,767.75 is: 407,108.09
Step by Step Solution
- Step 1: Write the proportion equation
451,781.54 : 676,768.74 = 271,767.75 : x - Step 2: Convert to fraction form
451,781.54/676,768.74 = 271,767.75/x - Step 3: Cross multiply
451,781.54x = 676,768.74 × 271,767.75 - Step 4: Simplify right side
451,781.54x = 183,923,917,740.14 - Step 5: Solve for x
x = 183,923,917,740.14/451,781.54 - Step 6: Final answer
x = 407,108.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.