Finding the Fourth Proportional to 306,157.73, 422,495.39 and 170,204.09
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Solution
The fourth proportional to 306,157.73, 422,495.39 and 170,204.09 is: 234,880.38
Step by Step Solution
- Step 1: Write the proportion equation
306,157.73 : 422,495.39 = 170,204.09 : x - Step 2: Convert to fraction form
306,157.73/422,495.39 = 170,204.09/x - Step 3: Cross multiply
306,157.73x = 422,495.39 × 170,204.09 - Step 4: Simplify right side
306,157.73x = 71,910,441,697.18 - Step 5: Solve for x
x = 71,910,441,697.18/306,157.73 - Step 6: Final answer
x = 234,880.38
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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.