Finding the Fourth Proportional to 202,844.44, 279,914.70 and 112,198.96
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Solution
The fourth proportional to 202,844.44, 279,914.70 and 112,198.96 is: 154,828.69
Step by Step Solution
- Step 1: Write the proportion equation
202,844.44 : 279,914.70 = 112,198.96 : x - Step 2: Convert to fraction form
202,844.44/279,914.70 = 112,198.96/x - Step 3: Cross multiply
202,844.44x = 279,914.70 × 112,198.96 - Step 4: Simplify right side
202,844.44x = 31,406,138,228.71 - Step 5: Solve for x
x = 31,406,138,228.71/202,844.44 - Step 6: Final answer
x = 154,828.69
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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.