Finding the Fourth Proportional to 338,731.05, 467,415.18 and 195,537.23
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Solution
The fourth proportional to 338,731.05, 467,415.18 and 195,537.23 is: 269,821.93
Step by Step Solution
- Step 1: Write the proportion equation
338,731.05 : 467,415.18 = 195,537.23 : x - Step 2: Convert to fraction form
338,731.05/467,415.18 = 195,537.23/x - Step 3: Cross multiply
338,731.05x = 467,415.18 × 195,537.23 - Step 4: Simplify right side
338,731.05x = 91,397,067,220.08 - Step 5: Solve for x
x = 91,397,067,220.08/338,731.05 - Step 6: Final answer
x = 269,821.93
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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.