Finding the Fourth Proportional to 363,918.12, 502,208.99 and 211,046.94
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Solution
The fourth proportional to 363,918.12, 502,208.99 and 211,046.94 is: 291,245.93
Step by Step Solution
- Step 1: Write the proportion equation
363,918.12 : 502,208.99 = 211,046.94 : x - Step 2: Convert to fraction form
363,918.12/502,208.99 = 211,046.94/x - Step 3: Cross multiply
363,918.12x = 502,208.99 × 211,046.94 - Step 4: Simplify right side
363,918.12x = 105,989,670,579.99 - Step 5: Solve for x
x = 105,989,670,579.99/363,918.12 - Step 6: Final answer
x = 291,245.93
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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.