Finding the Fourth Proportional to 305,753.73, 421,925.97 and 169,796.31
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Solution
The fourth proportional to 305,753.73, 421,925.97 and 169,796.31 is: 234,311.03
Step by Step Solution
- Step 1: Write the proportion equation
305,753.73 : 421,925.97 = 169,796.31 : x - Step 2: Convert to fraction form
305,753.73/421,925.97 = 169,796.31/x - Step 3: Cross multiply
305,753.73x = 421,925.97 × 169,796.31 - Step 4: Simplify right side
305,753.73x = 71,641,472,799.17 - Step 5: Solve for x
x = 71,641,472,799.17/305,753.73 - Step 6: Final answer
x = 234,311.03
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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.