Finding the Fourth Proportional to 202,305.80, 279,293.87 and 121,753.13
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Solution
The fourth proportional to 202,305.80, 279,293.87 and 121,753.13 is: 168,086.64
Step by Step Solution
- Step 1: Write the proportion equation
202,305.80 : 279,293.87 = 121,753.13 : x - Step 2: Convert to fraction form
202,305.80/279,293.87 = 121,753.13/x - Step 3: Cross multiply
202,305.80x = 279,293.87 × 121,753.13 - Step 4: Simplify right side
202,305.80x = 34,004,901,770.23 - Step 5: Solve for x
x = 34,004,901,770.23/202,305.80 - Step 6: Final answer
x = 168,086.64
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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.