Finding the Fourth Proportional to 305,394.08, 421,446.37 and 169,436.94
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Solution
The fourth proportional to 305,394.08, 421,446.37 and 169,436.94 is: 233,824.39
Step by Step Solution
- Step 1: Write the proportion equation
305,394.08 : 421,446.37 = 169,436.94 : x - Step 2: Convert to fraction form
305,394.08/421,446.37 = 169,436.94/x - Step 3: Cross multiply
305,394.08x = 421,446.37 × 169,436.94 - Step 4: Simplify right side
305,394.08x = 71,408,582,883.32 - Step 5: Solve for x
x = 71,408,582,883.32/305,394.08 - Step 6: Final answer
x = 233,824.39
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1.5x scale
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.