Finding the Fourth Proportional to 218,051.70, 327,204.45 and 91,682.79
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Solution
The fourth proportional to 218,051.70, 327,204.45 and 91,682.79 is: 137,577.54
Step by Step Solution
- Step 1: Write the proportion equation
218,051.70 : 327,204.45 = 91,682.79 : x - Step 2: Convert to fraction form
218,051.70/327,204.45 = 91,682.79/x - Step 3: Cross multiply
218,051.70x = 327,204.45 × 91,682.79 - Step 4: Simplify right side
218,051.70x = 29,999,016,876.42 - Step 5: Solve for x
x = 29,999,016,876.42/218,051.70 - Step 6: Final answer
x = 137,577.54
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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.