Finding the Fourth Proportional to 395,668.67, 545,721.47 and 340,571.75
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Solution
The fourth proportional to 395,668.67, 545,721.47 and 340,571.75 is: 469,729.67
Step by Step Solution
- Step 1: Write the proportion equation
395,668.67 : 545,721.47 = 340,571.75 : x - Step 2: Convert to fraction form
395,668.67/545,721.47 = 340,571.75/x - Step 3: Cross multiply
395,668.67x = 545,721.47 × 340,571.75 - Step 4: Simplify right side
395,668.67x = 185,857,311,619.01 - Step 5: Solve for x
x = 185,857,311,619.01/395,668.67 - Step 6: Final answer
x = 469,729.67
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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.