Finding the Fourth Proportional to 157,832.09, 217,754.25 and 89,832.03
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Solution
The fourth proportional to 157,832.09, 217,754.25 and 89,832.03 is: 123,937.45
Step by Step Solution
- Step 1: Write the proportion equation
157,832.09 : 217,754.25 = 89,832.03 : x - Step 2: Convert to fraction form
157,832.09/217,754.25 = 89,832.03/x - Step 3: Cross multiply
157,832.09x = 217,754.25 × 89,832.03 - Step 4: Simplify right side
157,832.09x = 19,561,306,318.63 - Step 5: Solve for x
x = 19,561,306,318.63/157,832.09 - Step 6: Final answer
x = 123,937.45
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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.