Finding the Fourth Proportional to 202,836.40, 304,225.80 and 69,722.80
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Solution
The fourth proportional to 202,836.40, 304,225.80 and 69,722.80 is: 104,574.30
Step by Step Solution
- Step 1: Write the proportion equation
202,836.40 : 304,225.80 = 69,722.80 : x - Step 2: Convert to fraction form
202,836.40/304,225.80 = 69,722.80/x - Step 3: Cross multiply
202,836.40x = 304,225.80 × 69,722.80 - Step 4: Simplify right side
202,836.40x = 21,211,474,608.24 - Step 5: Solve for x
x = 21,211,474,608.24/202,836.40 - Step 6: Final answer
x = 104,574.30
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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.