Finding the Fourth Proportional to 289,201.11, 433,236.68 and 199,227.93
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Solution
The fourth proportional to 289,201.11, 433,236.68 and 199,227.93 is: 298,452.68
Step by Step Solution
- Step 1: Write the proportion equation
289,201.11 : 433,236.68 = 199,227.93 : x - Step 2: Convert to fraction form
289,201.11/433,236.68 = 199,227.93/x - Step 3: Cross multiply
289,201.11x = 433,236.68 × 199,227.93 - Step 4: Simplify right side
289,201.11x = 86,312,846,956.47 - Step 5: Solve for x
x = 86,312,846,956.47/289,201.11 - Step 6: Final answer
x = 298,452.68
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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.