Finding the Fourth Proportional to 395,092.13, 545,222.98 and 213,800.09
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Solution
The fourth proportional to 395,092.13, 545,222.98 and 213,800.09 is: 295,041.87
Step by Step Solution
- Step 1: Write the proportion equation
395,092.13 : 545,222.98 = 213,800.09 : x - Step 2: Convert to fraction form
395,092.13/545,222.98 = 213,800.09/x - Step 3: Cross multiply
395,092.13x = 545,222.98 × 213,800.09 - Step 4: Simplify right side
395,092.13x = 116,568,722,194.07 - Step 5: Solve for x
x = 116,568,722,194.07/395,092.13 - Step 6: Final answer
x = 295,041.87
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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.