Finding the Fourth Proportional to 303,778.58, 419,217.92 and 167,809.68
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Solution
The fourth proportional to 303,778.58, 419,217.92 and 167,809.68 is: 231,579.28
Step by Step Solution
- Step 1: Write the proportion equation
303,778.58 : 419,217.92 = 167,809.68 : x - Step 2: Convert to fraction form
303,778.58/419,217.92 = 167,809.68/x - Step 3: Cross multiply
303,778.58x = 419,217.92 × 167,809.68 - Step 4: Simplify right side
303,778.58x = 70,348,824,166.42 - Step 5: Solve for x
x = 70,348,824,166.42/303,778.58 - Step 6: Final answer
x = 231,579.28
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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.