Finding the Fourth Proportional to 403,744.20, 605,324.70 and 226,305.60
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Solution
The fourth proportional to 403,744.20, 605,324.70 and 226,305.60 is: 339,294.95
Step by Step Solution
- Step 1: Write the proportion equation
403,744.20 : 605,324.70 = 226,305.60 : x - Step 2: Convert to fraction form
403,744.20/605,324.70 = 226,305.60/x - Step 3: Cross multiply
403,744.20x = 605,324.70 × 226,305.60 - Step 4: Simplify right side
403,744.20x = 136,988,369,428.32 - Step 5: Solve for x
x = 136,988,369,428.32/403,744.20 - Step 6: Final answer
x = 339,294.95
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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.