Finding the Fourth Proportional to 306,194.08, 422,523.89 and 170,219.75
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Solution
The fourth proportional to 306,194.08, 422,523.89 and 170,219.75 is: 234,889.94
Step by Step Solution
- Step 1: Write the proportion equation
306,194.08 : 422,523.89 = 170,219.75 : x - Step 2: Convert to fraction form
306,194.08/422,523.89 = 170,219.75/x - Step 3: Cross multiply
306,194.08x = 422,523.89 × 170,219.75 - Step 4: Simplify right side
306,194.08x = 71,921,908,812.21 - Step 5: Solve for x
x = 71,921,908,812.21/306,194.08 - Step 6: Final answer
x = 234,889.94
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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.