Finding the Fourth Proportional to 202,912.12, 304,409.69 and 69,775.08
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Solution
The fourth proportional to 202,912.12, 304,409.69 and 69,775.08 is: 104,676.89
Step by Step Solution
- Step 1: Write the proportion equation
202,912.12 : 304,409.69 = 69,775.08 : x - Step 2: Convert to fraction form
202,912.12/304,409.69 = 69,775.08/x - Step 3: Cross multiply
202,912.12x = 304,409.69 × 69,775.08 - Step 4: Simplify right side
202,912.12x = 21,240,210,472.53 - Step 5: Solve for x
x = 21,240,210,472.53/202,912.12 - Step 6: Final answer
x = 104,676.89
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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.