Finding the Fourth Proportional to 151,687.44, 209,327.23 and 83,704.99
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Solution
The fourth proportional to 151,687.44, 209,327.23 and 83,704.99 is: 115,512.09
Step by Step Solution
- Step 1: Write the proportion equation
151,687.44 : 209,327.23 = 83,704.99 : x - Step 2: Convert to fraction form
151,687.44/209,327.23 = 83,704.99/x - Step 3: Cross multiply
151,687.44x = 209,327.23 × 83,704.99 - Step 4: Simplify right side
151,687.44x = 17,521,733,693.88 - Step 5: Solve for x
x = 17,521,733,693.88/151,687.44 - Step 6: Final answer
x = 115,512.09
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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.