Finding the Fourth Proportional to 295,305.40, 442,958.10 and 117,839.80
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Solution
The fourth proportional to 295,305.40, 442,958.10 and 117,839.80 is: 176,759.70
Step by Step Solution
- Step 1: Write the proportion equation
295,305.40 : 442,958.10 = 117,839.80 : x - Step 2: Convert to fraction form
295,305.40/442,958.10 = 117,839.80/x - Step 3: Cross multiply
295,305.40x = 442,958.10 × 117,839.80 - Step 4: Simplify right side
295,305.40x = 52,198,093,912.38 - Step 5: Solve for x
x = 52,198,093,912.38/295,305.40 - Step 6: Final answer
x = 176,759.70
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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.