Finding the Fourth Proportional to 422,042.94, 582,458.85 and 252,273.42
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Solution
The fourth proportional to 422,042.94, 582,458.85 and 252,273.42 is: 348,160.99
Step by Step Solution
- Step 1: Write the proportion equation
422,042.94 : 582,458.85 = 252,273.42 : x - Step 2: Convert to fraction form
422,042.94/582,458.85 = 252,273.42/x - Step 3: Cross multiply
422,042.94x = 582,458.85 × 252,273.42 - Step 4: Simplify right side
422,042.94x = 146,938,886,098.77 - Step 5: Solve for x
x = 146,938,886,098.77/422,042.94 - Step 6: Final answer
x = 348,160.99
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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.