Finding the Fourth Proportional to 363,907.80, 502,230.06 and 202,789.08
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Solution
The fourth proportional to 363,907.80, 502,230.06 and 202,789.08 is: 279,869.71
Step by Step Solution
- Step 1: Write the proportion equation
363,907.80 : 502,230.06 = 202,789.08 : x - Step 2: Convert to fraction form
363,907.80/502,230.06 = 202,789.08/x - Step 3: Cross multiply
363,907.80x = 502,230.06 × 202,789.08 - Step 4: Simplify right side
363,907.80x = 101,846,771,815.75 - Step 5: Solve for x
x = 101,846,771,815.75/363,907.80 - Step 6: Final answer
x = 279,869.71
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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.