Finding the Fourth Proportional to 363,447.09, 501,556.92 and 202,298.70
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Solution
The fourth proportional to 363,447.09, 501,556.92 and 202,298.70 is: 279,172.17
Step by Step Solution
- Step 1: Write the proportion equation
363,447.09 : 501,556.92 = 202,298.70 : x - Step 2: Convert to fraction form
363,447.09/501,556.92 = 202,298.70/x - Step 3: Cross multiply
363,447.09x = 501,556.92 × 202,298.70 - Step 4: Simplify right side
363,447.09x = 101,464,312,892.00 - Step 5: Solve for x
x = 101,464,312,892.00/363,447.09 - Step 6: Final answer
x = 279,172.17
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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.