Finding the Fourth Proportional to 394,944.35, 545,020.97 and 213,655.68
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Solution
The fourth proportional to 394,944.35, 545,020.97 and 213,655.68 is: 294,843.63
Step by Step Solution
- Step 1: Write the proportion equation
394,944.35 : 545,020.97 = 213,655.68 : x - Step 2: Convert to fraction form
394,944.35/545,020.97 = 213,655.68/x - Step 3: Cross multiply
394,944.35x = 545,020.97 × 213,655.68 - Step 4: Simplify right side
394,944.35x = 116,446,824,891.33 - Step 5: Solve for x
x = 116,446,824,891.33/394,944.35 - Step 6: Final answer
x = 294,843.63
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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.