Finding the Fourth Proportional to 289,611.21, 433,508.00 and 199,125.91
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Solution
The fourth proportional to 289,611.21, 433,508.00 and 199,125.91 is: 298,063.99
Step by Step Solution
- Step 1: Write the proportion equation
289,611.21 : 433,508.00 = 199,125.91 : x - Step 2: Convert to fraction form
289,611.21/433,508.00 = 199,125.91/x - Step 3: Cross multiply
289,611.21x = 433,508.00 × 199,125.91 - Step 4: Simplify right side
289,611.21x = 86,322,672,912.88 - Step 5: Solve for x
x = 86,322,672,912.88/289,611.21 - Step 6: Final answer
x = 298,063.99
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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.