Finding the Fourth Proportional to 363,789.90, 502,045.49 and 202,644.99
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Solution
The fourth proportional to 363,789.90, 502,045.49 and 202,644.99 is: 279,658.68
Step by Step Solution
- Step 1: Write the proportion equation
363,789.90 : 502,045.49 = 202,644.99 : x - Step 2: Convert to fraction form
363,789.90/502,045.49 = 202,644.99/x - Step 3: Cross multiply
363,789.90x = 502,045.49 × 202,644.99 - Step 4: Simplify right side
363,789.90x = 101,737,003,807.21 - Step 5: Solve for x
x = 101,737,003,807.21/363,789.90 - Step 6: Final answer
x = 279,658.68
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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.