Finding the Fourth Proportional to 363,906.80, 502,228.68 and 202,788.08
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Solution
The fourth proportional to 363,906.80, 502,228.68 and 202,788.08 is: 279,868.33
Step by Step Solution
- Step 1: Write the proportion equation
363,906.80 : 502,228.68 = 202,788.08 : x - Step 2: Convert to fraction form
363,906.80/502,228.68 = 202,788.08/x - Step 3: Cross multiply
363,906.80x = 502,228.68 × 202,788.08 - Step 4: Simplify right side
363,906.80x = 101,845,989,738.13 - Step 5: Solve for x
x = 101,845,989,738.13/363,906.80 - Step 6: Final answer
x = 279,868.33
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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.