Finding the Fourth Proportional to 289,393.14, 433,933.15 and 229,804.99
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Solution
The fourth proportional to 289,393.14, 433,933.15 and 229,804.99 is: 344,583.16
Step by Step Solution
- Step 1: Write the proportion equation
289,393.14 : 433,933.15 = 229,804.99 : x - Step 2: Convert to fraction form
289,393.14/433,933.15 = 229,804.99/x - Step 3: Cross multiply
289,393.14x = 433,933.15 × 229,804.99 - Step 4: Simplify right side
289,393.14x = 99,720,003,196.42 - Step 5: Solve for x
x = 99,720,003,196.42/289,393.14 - Step 6: Final answer
x = 344,583.16
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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.