Finding the Fourth Proportional to 395,474.96, 545,755.27 and 214,186.88
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Solution
The fourth proportional to 395,474.96, 545,755.27 and 214,186.88 is: 295,577.80
Step by Step Solution
- Step 1: Write the proportion equation
395,474.96 : 545,755.27 = 214,186.88 : x - Step 2: Convert to fraction form
395,474.96/545,755.27 = 214,186.88/x - Step 3: Cross multiply
395,474.96x = 545,755.27 × 214,186.88 - Step 4: Simplify right side
395,474.96x = 116,893,618,818.31 - Step 5: Solve for x
x = 116,893,618,818.31/395,474.96 - Step 6: Final answer
x = 295,577.80
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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.