Finding the Fourth Proportional to 186,243.34, 257,020.86 and 114,664.09
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Solution
The fourth proportional to 186,243.34, 257,020.86 and 114,664.09 is: 158,239.55
Step by Step Solution
- Step 1: Write the proportion equation
186,243.34 : 257,020.86 = 114,664.09 : x - Step 2: Convert to fraction form
186,243.34/257,020.86 = 114,664.09/x - Step 3: Cross multiply
186,243.34x = 257,020.86 × 114,664.09 - Step 4: Simplify right side
186,243.34x = 29,471,063,022.92 - Step 5: Solve for x
x = 29,471,063,022.92/186,243.34 - Step 6: Final answer
x = 158,239.55
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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.