Finding the Fourth Proportional to 356,415.66, 491,853.60 and 195,276.81
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Solution
The fourth proportional to 356,415.66, 491,853.60 and 195,276.81 is: 269,481.99
Step by Step Solution
- Step 1: Write the proportion equation
356,415.66 : 491,853.60 = 195,276.81 : x - Step 2: Convert to fraction form
356,415.66/491,853.60 = 195,276.81/x - Step 3: Cross multiply
356,415.66x = 491,853.60 × 195,276.81 - Step 4: Simplify right side
356,415.66x = 96,047,601,995.02 - Step 5: Solve for x
x = 96,047,601,995.02/356,415.66 - Step 6: Final answer
x = 269,481.99
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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.