Finding the Fourth Proportional to 669,135.79, 923,408.28 and 363,211.97
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Solution
The fourth proportional to 669,135.79, 923,408.28 and 363,211.97 is: 501,233.00
Step by Step Solution
- Step 1: Write the proportion equation
669,135.79 : 923,408.28 = 363,211.97 : x - Step 2: Convert to fraction form
669,135.79/923,408.28 = 363,211.97/x - Step 3: Cross multiply
669,135.79x = 923,408.28 × 363,211.97 - Step 4: Simplify right side
669,135.79x = 335,392,938,677.05 - Step 5: Solve for x
x = 335,392,938,677.05/669,135.79 - Step 6: Final answer
x = 501,233.00
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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.