Finding the Fourth Proportional to 102,813.24, 154,222.90 and 27,932.99
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Solution
The fourth proportional to 102,813.24, 154,222.90 and 27,932.99 is: 41,900.31
Step by Step Solution
- Step 1: Write the proportion equation
102,813.24 : 154,222.90 = 27,932.99 : x - Step 2: Convert to fraction form
102,813.24/154,222.90 = 27,932.99/x - Step 3: Cross multiply
102,813.24x = 154,222.90 × 27,932.99 - Step 4: Simplify right side
102,813.24x = 4,307,907,039.20 - Step 5: Solve for x
x = 4,307,907,039.20/102,813.24 - Step 6: Final answer
x = 41,900.31
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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.