Finding the Fourth Proportional to 186,388.13, 257,239.92 and 110,936.63
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Solution
The fourth proportional to 186,388.13, 257,239.92 and 110,936.63 is: 153,107.01
Step by Step Solution
- Step 1: Write the proportion equation
186,388.13 : 257,239.92 = 110,936.63 : x - Step 2: Convert to fraction form
186,388.13/257,239.92 = 110,936.63/x - Step 3: Cross multiply
186,388.13x = 257,239.92 × 110,936.63 - Step 4: Simplify right side
186,388.13x = 28,537,328,540.07 - Step 5: Solve for x
x = 28,537,328,540.07/186,388.13 - Step 6: Final answer
x = 153,107.01
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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.