Finding the Fourth Proportional to 305,850.31, 422,059.74 and 169,893.63
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Solution
The fourth proportional to 305,850.31, 422,059.74 and 169,893.63 is: 234,445.61
Step by Step Solution
- Step 1: Write the proportion equation
305,850.31 : 422,059.74 = 169,893.63 : x - Step 2: Convert to fraction form
305,850.31/422,059.74 = 169,893.63/x - Step 3: Cross multiply
305,850.31x = 422,059.74 × 169,893.63 - Step 4: Simplify right side
305,850.31x = 71,705,261,305.46 - Step 5: Solve for x
x = 71,705,261,305.46/305,850.31 - Step 6: Final answer
x = 234,445.61
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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.