Finding the Fourth Proportional to 157,286.75, 235,696.84 and 115,529.63
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Solution
The fourth proportional to 157,286.75, 235,696.84 and 115,529.63 is: 173,123.09
Step by Step Solution
- Step 1: Write the proportion equation
157,286.75 : 235,696.84 = 115,529.63 : x - Step 2: Convert to fraction form
157,286.75/235,696.84 = 115,529.63/x - Step 3: Cross multiply
157,286.75x = 235,696.84 × 115,529.63 - Step 4: Simplify right side
157,286.75x = 27,229,968,244.41 - Step 5: Solve for x
x = 27,229,968,244.41/157,286.75 - Step 6: Final answer
x = 173,123.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.