Finding the Fourth Proportional to 363,931.58, 502,218.79 and 202,783.19
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Solution
The fourth proportional to 363,931.58, 502,218.79 and 202,783.19 is: 279,837.01
Step by Step Solution
- Step 1: Write the proportion equation
363,931.58 : 502,218.79 = 202,783.19 : x - Step 2: Convert to fraction form
363,931.58/502,218.79 = 202,783.19/x - Step 3: Cross multiply
363,931.58x = 502,218.79 × 202,783.19 - Step 4: Simplify right side
363,931.58x = 101,841,525,296.09 - Step 5: Solve for x
x = 101,841,525,296.09/363,931.58 - Step 6: Final answer
x = 279,837.01
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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.