Finding the Fourth Proportional to 206,350.04, 284,642.10 and 129,747.75
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Solution
The fourth proportional to 206,350.04, 284,642.10 and 129,747.75 is: 178,975.85
Step by Step Solution
- Step 1: Write the proportion equation
206,350.04 : 284,642.10 = 129,747.75 : x - Step 2: Convert to fraction form
206,350.04/284,642.10 = 129,747.75/x - Step 3: Cross multiply
206,350.04x = 284,642.10 × 129,747.75 - Step 4: Simplify right side
206,350.04x = 36,931,672,030.28 - Step 5: Solve for x
x = 36,931,672,030.28/206,350.04 - Step 6: Final answer
x = 178,975.85
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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.