Finding the Fourth Proportional to 115,227.97, 159,049.76 and 66,842.13
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Solution
The fourth proportional to 115,227.97, 159,049.76 and 66,842.13 is: 92,262.53
Step by Step Solution
- Step 1: Write the proportion equation
115,227.97 : 159,049.76 = 66,842.13 : x - Step 2: Convert to fraction form
115,227.97/159,049.76 = 66,842.13/x - Step 3: Cross multiply
115,227.97x = 159,049.76 × 66,842.13 - Step 4: Simplify right side
115,227.97x = 10,631,224,400.18 - Step 5: Solve for x
x = 10,631,224,400.18/115,227.97 - Step 6: Final answer
x = 92,262.53
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1.5x scale
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.