Finding the Fourth Proportional to 305,559.44, 421,672.18 and 169,593.44
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Solution
The fourth proportional to 305,559.44, 421,672.18 and 169,593.44 is: 234,039.03
Step by Step Solution
- Step 1: Write the proportion equation
305,559.44 : 421,672.18 = 169,593.44 : x - Step 2: Convert to fraction form
305,559.44/421,672.18 = 169,593.44/x - Step 3: Cross multiply
305,559.44x = 421,672.18 × 169,593.44 - Step 4: Simplify right side
305,559.44x = 71,512,835,558.50 - Step 5: Solve for x
x = 71,512,835,558.50/305,559.44 - Step 6: Final answer
x = 234,039.03
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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.