Finding the Fourth Proportional to 186,852.24, 258,136.92 and 122,474.28
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Solution
The fourth proportional to 186,852.24, 258,136.92 and 122,474.28 is: 169,198.58
Step by Step Solution
- Step 1: Write the proportion equation
186,852.24 : 258,136.92 = 122,474.28 : x - Step 2: Convert to fraction form
186,852.24/258,136.92 = 122,474.28/x - Step 3: Cross multiply
186,852.24x = 258,136.92 × 122,474.28 - Step 4: Simplify right side
186,852.24x = 31,615,133,418.42 - Step 5: Solve for x
x = 31,615,133,418.42/186,852.24 - Step 6: Final answer
x = 169,198.58
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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.