Finding the Fourth Proportional to 306,696.38, 423,236.44 and 170,730.08
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Solution
The fourth proportional to 306,696.38, 423,236.44 and 170,730.08 is: 235,604.97
Step by Step Solution
- Step 1: Write the proportion equation
306,696.38 : 423,236.44 = 170,730.08 : x - Step 2: Convert to fraction form
306,696.38/423,236.44 = 170,730.08/x - Step 3: Cross multiply
306,696.38x = 423,236.44 × 170,730.08 - Step 4: Simplify right side
306,696.38x = 72,259,190,944.48 - Step 5: Solve for x
x = 72,259,190,944.48/306,696.38 - Step 6: Final answer
x = 235,604.97
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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.