Finding the Fourth Proportional to 225,855.19, 338,696.67 and 76,055.26
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Solution
The fourth proportional to 225,855.19, 338,696.67 and 76,055.26 is: 114,053.89
Step by Step Solution
- Step 1: Write the proportion equation
225,855.19 : 338,696.67 = 76,055.26 : x - Step 2: Convert to fraction form
225,855.19/338,696.67 = 76,055.26/x - Step 3: Cross multiply
225,855.19x = 338,696.67 × 76,055.26 - Step 4: Simplify right side
225,855.19x = 25,759,663,297.98 - Step 5: Solve for x
x = 25,759,663,297.98/225,855.19 - Step 6: Final answer
x = 114,053.89
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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.