Finding the Fourth Proportional to 202,428.97, 303,440.24 and 69,218.12
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Solution
The fourth proportional to 202,428.97, 303,440.24 and 69,218.12 is: 103,757.70
Step by Step Solution
- Step 1: Write the proportion equation
202,428.97 : 303,440.24 = 69,218.12 : x - Step 2: Convert to fraction form
202,428.97/303,440.24 = 69,218.12/x - Step 3: Cross multiply
202,428.97x = 303,440.24 × 69,218.12 - Step 4: Simplify right side
202,428.97x = 21,003,563,876.79 - Step 5: Solve for x
x = 21,003,563,876.79/202,428.97 - Step 6: Final answer
x = 103,757.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.