Finding the Fourth Proportional to 305,316.95, 421,338.92 and 169,341.44
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Solution
The fourth proportional to 305,316.95, 421,338.92 and 169,341.44 is: 233,692.03
Step by Step Solution
- Step 1: Write the proportion equation
305,316.95 : 421,338.92 = 169,341.44 : x - Step 2: Convert to fraction form
305,316.95/421,338.92 = 169,341.44/x - Step 3: Cross multiply
305,316.95x = 421,338.92 × 169,341.44 - Step 4: Simplify right side
305,316.95x = 71,350,136,487.44 - Step 5: Solve for x
x = 71,350,136,487.44/305,316.95 - Step 6: Final answer
x = 233,692.03
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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.