Finding the Fourth Proportional to 363,501.21, 501,620.43 and 202,352.70
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Solution
The fourth proportional to 363,501.21, 501,620.43 and 202,352.70 is: 279,240.47
Step by Step Solution
- Step 1: Write the proportion equation
363,501.21 : 501,620.43 = 202,352.70 : x - Step 2: Convert to fraction form
363,501.21/501,620.43 = 202,352.70/x - Step 3: Cross multiply
363,501.21x = 501,620.43 × 202,352.70 - Step 4: Simplify right side
363,501.21x = 101,504,248,385.66 - Step 5: Solve for x
x = 101,504,248,385.66/363,501.21 - Step 6: Final answer
x = 279,240.47
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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.