Finding the Fourth Proportional to 202,751.13, 279,785.27 and 112,101.65
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Solution
The fourth proportional to 202,751.13, 279,785.27 and 112,101.65 is: 154,694.03
Step by Step Solution
- Step 1: Write the proportion equation
202,751.13 : 279,785.27 = 112,101.65 : x - Step 2: Convert to fraction form
202,751.13/279,785.27 = 112,101.65/x - Step 3: Cross multiply
202,751.13x = 279,785.27 × 112,101.65 - Step 4: Simplify right side
202,751.13x = 31,364,388,453.26 - Step 5: Solve for x
x = 31,364,388,453.26/202,751.13 - Step 6: Final answer
x = 154,694.03
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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.