Finding the Fourth Proportional to 218,768.95, 327,988.99 and 92,556.91
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Solution
The fourth proportional to 218,768.95, 327,988.99 and 92,556.91 is: 138,765.80
Step by Step Solution
- Step 1: Write the proportion equation
218,768.95 : 327,988.99 = 92,556.91 : x - Step 2: Convert to fraction form
218,768.95/327,988.99 = 92,556.91/x - Step 3: Cross multiply
218,768.95x = 327,988.99 × 92,556.91 - Step 4: Simplify right side
218,768.95x = 30,357,647,428.42 - Step 5: Solve for x
x = 30,357,647,428.42/218,768.95 - Step 6: Final answer
x = 138,765.80
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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.