Finding the Fourth Proportional to 151,937.58, 209,537.66 and 126,528.09
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Solution
The fourth proportional to 151,937.58, 209,537.66 and 126,528.09 is: 174,495.33
Step by Step Solution
- Step 1: Write the proportion equation
151,937.58 : 209,537.66 = 126,528.09 : x - Step 2: Convert to fraction form
151,937.58/209,537.66 = 126,528.09/x - Step 3: Cross multiply
151,937.58x = 209,537.66 × 126,528.09 - Step 4: Simplify right side
151,937.58x = 26,512,399,433.42 - Step 5: Solve for x
x = 26,512,399,433.42/151,937.58 - Step 6: Final answer
x = 174,495.33
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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.