Finding the Fourth Proportional to 157,843.63, 217,809.91 and 88,944.31
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Solution
The fourth proportional to 157,843.63, 217,809.91 and 88,944.31 is: 122,735.09
Step by Step Solution
- Step 1: Write the proportion equation
157,843.63 : 217,809.91 = 88,944.31 : x - Step 2: Convert to fraction form
157,843.63/217,809.91 = 88,944.31/x - Step 3: Cross multiply
157,843.63x = 217,809.91 × 88,944.31 - Step 4: Simplify right side
157,843.63x = 19,372,952,156.11 - Step 5: Solve for x
x = 19,372,952,156.11/157,843.63 - Step 6: Final answer
x = 122,735.09
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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.