Finding the Fourth Proportional to 112,628.38, 168,948.19 and 33,735.09
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Solution
The fourth proportional to 112,628.38, 168,948.19 and 33,735.09 is: 50,604.32
Step by Step Solution
- Step 1: Write the proportion equation
112,628.38 : 168,948.19 = 33,735.09 : x - Step 2: Convert to fraction form
112,628.38/168,948.19 = 33,735.09/x - Step 3: Cross multiply
112,628.38x = 168,948.19 × 33,735.09 - Step 4: Simplify right side
112,628.38x = 5,699,482,394.99 - Step 5: Solve for x
x = 5,699,482,394.99/112,628.38 - Step 6: Final answer
x = 50,604.32
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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.