Finding the Fourth Proportional to 395,668.84, 545,721.62 and 340,571.96
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Solution
The fourth proportional to 395,668.84, 545,721.62 and 340,571.96 is: 469,729.89
Step by Step Solution
- Step 1: Write the proportion equation
395,668.84 : 545,721.62 = 340,571.96 : x - Step 2: Convert to fraction form
395,668.84/545,721.62 = 340,571.96/x - Step 3: Cross multiply
395,668.84x = 545,721.62 × 340,571.96 - Step 4: Simplify right side
395,668.84x = 185,857,481,737.78 - Step 5: Solve for x
x = 185,857,481,737.78/395,668.84 - Step 6: Final answer
x = 469,729.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.