Finding the Fourth Proportional to 386,741.97, 533,736.07 and 214,676.10
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Solution
The fourth proportional to 386,741.97, 533,736.07 and 214,676.10 is: 296,270.86
Step by Step Solution
- Step 1: Write the proportion equation
386,741.97 : 533,736.07 = 214,676.10 : x - Step 2: Convert to fraction form
386,741.97/533,736.07 = 214,676.10/x - Step 3: Cross multiply
386,741.97x = 533,736.07 × 214,676.10 - Step 4: Simplify right side
386,741.97x = 114,580,377,400.24 - Step 5: Solve for x
x = 114,580,377,400.24/386,741.97 - Step 6: Final answer
x = 296,270.86
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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.