Finding the Fourth Proportional to 207,047.40, 310,571.10 and 186,708.30
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Solution
The fourth proportional to 207,047.40, 310,571.10 and 186,708.30 is: 280,062.45
Step by Step Solution
- Step 1: Write the proportion equation
207,047.40 : 310,571.10 = 186,708.30 : x - Step 2: Convert to fraction form
207,047.40/310,571.10 = 186,708.30/x - Step 3: Cross multiply
207,047.40x = 310,571.10 × 186,708.30 - Step 4: Simplify right side
207,047.40x = 57,986,202,110.13 - Step 5: Solve for x
x = 57,986,202,110.13/207,047.40 - Step 6: Final answer
x = 280,062.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.