Finding the Fourth Proportional to 306,093.93, 422,389.17 and 170,119.05
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Solution
The fourth proportional to 306,093.93, 422,389.17 and 170,119.05 is: 234,752.92
Step by Step Solution
- Step 1: Write the proportion equation
306,093.93 : 422,389.17 = 170,119.05 : x - Step 2: Convert to fraction form
306,093.93/422,389.17 = 170,119.05/x - Step 3: Cross multiply
306,093.93x = 422,389.17 × 170,119.05 - Step 4: Simplify right side
306,093.93x = 71,856,444,330.69 - Step 5: Solve for x
x = 71,856,444,330.69/306,093.93 - Step 6: Final answer
x = 234,752.92
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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.