Finding the Fourth Proportional to 467,043.40, 644,260.62 and 306,157.96
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Solution
The fourth proportional to 467,043.40, 644,260.62 and 306,157.96 is: 422,328.03
Step by Step Solution
- Step 1: Write the proportion equation
467,043.40 : 644,260.62 = 306,157.96 : x - Step 2: Convert to fraction form
467,043.40/644,260.62 = 306,157.96/x - Step 3: Cross multiply
467,043.40x = 644,260.62 × 306,157.96 - Step 4: Simplify right side
467,043.40x = 197,245,517,127.54 - Step 5: Solve for x
x = 197,245,517,127.54/467,043.40 - Step 6: Final answer
x = 422,328.03
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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.