Finding the Fourth Proportional to 285,574.59, 394,051.71 and 158,249.88
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Solution
The fourth proportional to 285,574.59, 394,051.71 and 158,249.88 is: 218,361.99
Step by Step Solution
- Step 1: Write the proportion equation
285,574.59 : 394,051.71 = 158,249.88 : x - Step 2: Convert to fraction form
285,574.59/394,051.71 = 158,249.88/x - Step 3: Cross multiply
285,574.59x = 394,051.71 × 158,249.88 - Step 4: Simplify right side
285,574.59x = 62,358,635,821.29 - Step 5: Solve for x
x = 62,358,635,821.29/285,574.59 - Step 6: Final answer
x = 218,361.99
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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.