Finding the Fourth Proportional to 149,546.23, 206,366.51 and 89,115.53
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Solution
The fourth proportional to 149,546.23, 206,366.51 and 89,115.53 is: 122,975.09
Step by Step Solution
- Step 1: Write the proportion equation
149,546.23 : 206,366.51 = 89,115.53 : x - Step 2: Convert to fraction form
149,546.23/206,366.51 = 89,115.53/x - Step 3: Cross multiply
149,546.23x = 206,366.51 × 89,115.53 - Step 4: Simplify right side
149,546.23x = 18,390,460,912.90 - Step 5: Solve for x
x = 18,390,460,912.90/149,546.23 - Step 6: Final answer
x = 122,975.09
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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.