Finding the Fourth Proportional to 274,324.97, 378,553.19 and 153,442.89
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Solution
The fourth proportional to 274,324.97, 378,553.19 and 153,442.89 is: 211,742.65
Step by Step Solution
- Step 1: Write the proportion equation
274,324.97 : 378,553.19 = 153,442.89 : x - Step 2: Convert to fraction form
274,324.97/378,553.19 = 153,442.89/x - Step 3: Cross multiply
274,324.97x = 378,553.19 × 153,442.89 - Step 4: Simplify right side
274,324.97x = 58,086,294,725.10 - Step 5: Solve for x
x = 58,086,294,725.10/274,324.97 - Step 6: Final answer
x = 211,742.65
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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.