Finding the Fourth Proportional to 301,626.05, 416,198.79 and 172,544.00
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Solution
The fourth proportional to 301,626.05, 416,198.79 and 172,544.00 is: 238,084.88
Step by Step Solution
- Step 1: Write the proportion equation
301,626.05 : 416,198.79 = 172,544.00 : x - Step 2: Convert to fraction form
301,626.05/416,198.79 = 172,544.00/x - Step 3: Cross multiply
301,626.05x = 416,198.79 × 172,544.00 - Step 4: Simplify right side
301,626.05x = 71,812,601,940.77 - Step 5: Solve for x
x = 71,812,601,940.77/301,626.05 - Step 6: Final answer
x = 238,084.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.