Finding the Fourth Proportional to 395,470.05, 545,748.99 and 214,182.33
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Solution
The fourth proportional to 395,470.05, 545,748.99 and 214,182.33 is: 295,571.79
Step by Step Solution
- Step 1: Write the proportion equation
395,470.05 : 545,748.99 = 214,182.33 : x - Step 2: Convert to fraction form
395,470.05/545,748.99 = 214,182.33/x - Step 3: Cross multiply
395,470.05x = 545,748.99 × 214,182.33 - Step 4: Simplify right side
395,470.05x = 116,889,788,628.38 - Step 5: Solve for x
x = 116,889,788,628.38/395,470.05 - Step 6: Final answer
x = 295,571.79
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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.