Finding the Fourth Proportional to 305,302.84, 421,320.84 and 169,350.14
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Solution
The fourth proportional to 305,302.84, 421,320.84 and 169,350.14 is: 233,704.81
Step by Step Solution
- Step 1: Write the proportion equation
305,302.84 : 421,320.84 = 169,350.14 : x - Step 2: Convert to fraction form
305,302.84/421,320.84 = 169,350.14/x - Step 3: Cross multiply
305,302.84x = 421,320.84 × 169,350.14 - Step 4: Simplify right side
305,302.84x = 71,350,743,238.92 - Step 5: Solve for x
x = 71,350,743,238.92/305,302.84 - Step 6: Final answer
x = 233,704.81
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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.