Finding the Fourth Proportional to 363,826.70, 502,081.47 and 202,687.49
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Solution
The fourth proportional to 363,826.70, 502,081.47 and 202,687.49 is: 279,709.08
Step by Step Solution
- Step 1: Write the proportion equation
363,826.70 : 502,081.47 = 202,687.49 : x - Step 2: Convert to fraction form
363,826.70/502,081.47 = 202,687.49/x - Step 3: Cross multiply
363,826.70x = 502,081.47 × 202,687.49 - Step 4: Simplify right side
363,826.70x = 101,765,630,419.40 - Step 5: Solve for x
x = 101,765,630,419.40/363,826.70 - Step 6: Final answer
x = 279,709.08
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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.