Finding the Fourth Proportional to 157,953.36, 236,725.92 and 118,198.56
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Solution
The fourth proportional to 157,953.36, 236,725.92 and 118,198.56 is: 177,145.09
Step by Step Solution
- Step 1: Write the proportion equation
157,953.36 : 236,725.92 = 118,198.56 : x - Step 2: Convert to fraction form
157,953.36/236,725.92 = 118,198.56/x - Step 3: Cross multiply
157,953.36x = 236,725.92 × 118,198.56 - Step 4: Simplify right side
157,953.36x = 27,980,662,858.68 - Step 5: Solve for x
x = 27,980,662,858.68/157,953.36 - Step 6: Final answer
x = 177,145.09
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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.