Finding the Fourth Proportional to 392,487.99, 541,717.84 and 239,493.41
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Solution
The fourth proportional to 392,487.99, 541,717.84 and 239,493.41 is: 330,552.42
Step by Step Solution
- Step 1: Write the proportion equation
392,487.99 : 541,717.84 = 239,493.41 : x - Step 2: Convert to fraction form
392,487.99/541,717.84 = 239,493.41/x - Step 3: Cross multiply
392,487.99x = 541,717.84 × 239,493.41 - Step 4: Simplify right side
392,487.99x = 129,737,855,428.82 - Step 5: Solve for x
x = 129,737,855,428.82/392,487.99 - Step 6: Final answer
x = 330,552.42
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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.