Finding the Fourth Proportional to 303,053.97, 418,393.89 and 269,427.09
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Solution
The fourth proportional to 303,053.97, 418,393.89 and 269,427.09 is: 371,968.89
Step by Step Solution
- Step 1: Write the proportion equation
303,053.97 : 418,393.89 = 269,427.09 : x - Step 2: Convert to fraction form
303,053.97/418,393.89 = 269,427.09/x - Step 3: Cross multiply
303,053.97x = 418,393.89 × 269,427.09 - Step 4: Simplify right side
303,053.97x = 112,726,648,256.48 - Step 5: Solve for x
x = 112,726,648,256.48/303,053.97 - Step 6: Final answer
x = 371,968.89
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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.