Finding the Fourth Proportional to 217,466.38, 300,104.15 and 126,884.62
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Solution
The fourth proportional to 217,466.38, 300,104.15 and 126,884.62 is: 175,101.09
Step by Step Solution
- Step 1: Write the proportion equation
217,466.38 : 300,104.15 = 126,884.62 : x - Step 2: Convert to fraction form
217,466.38/300,104.15 = 126,884.62/x - Step 3: Cross multiply
217,466.38x = 300,104.15 × 126,884.62 - Step 4: Simplify right side
217,466.38x = 38,078,601,033.17 - Step 5: Solve for x
x = 38,078,601,033.17/217,466.38 - Step 6: Final answer
x = 175,101.09
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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.