Finding the Fourth Proportional to 305,587.62, 421,703.01 and 169,614.54
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Solution
The fourth proportional to 305,587.62, 421,703.01 and 169,614.54 is: 234,063.68
Step by Step Solution
- Step 1: Write the proportion equation
305,587.62 : 421,703.01 = 169,614.54 : x - Step 2: Convert to fraction form
305,587.62/421,703.01 = 169,614.54/x - Step 3: Cross multiply
305,587.62x = 421,703.01 × 169,614.54 - Step 4: Simplify right side
305,587.62x = 71,526,962,057.77 - Step 5: Solve for x
x = 71,526,962,057.77/305,587.62 - Step 6: Final answer
x = 234,063.68
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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.