Finding the Fourth Proportional to 306,187.94, 422,591.67 and 197,261.66
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Solution
The fourth proportional to 306,187.94, 422,591.67 and 197,261.66 is: 272,254.79
Step by Step Solution
- Step 1: Write the proportion equation
306,187.94 : 422,591.67 = 197,261.66 : x - Step 2: Convert to fraction form
306,187.94/422,591.67 = 197,261.66/x - Step 3: Cross multiply
306,187.94x = 422,591.67 × 197,261.66 - Step 4: Simplify right side
306,187.94x = 83,361,132,213.41 - Step 5: Solve for x
x = 83,361,132,213.41/306,187.94 - Step 6: Final answer
x = 272,254.79
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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.