Finding the Fourth Proportional to 285,852.80, 394,457.64 and 158,523.68
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Solution
The fourth proportional to 285,852.80, 394,457.64 and 158,523.68 is: 218,752.02
Step by Step Solution
- Step 1: Write the proportion equation
285,852.80 : 394,457.64 = 158,523.68 : x - Step 2: Convert to fraction form
285,852.80/394,457.64 = 158,523.68/x - Step 3: Cross multiply
285,852.80x = 394,457.64 × 158,523.68 - Step 4: Simplify right side
285,852.80x = 62,530,876,696.92 - Step 5: Solve for x
x = 62,530,876,696.92/285,852.80 - Step 6: Final answer
x = 218,752.02
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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.