Finding the Fourth Proportional to 664,186.40, 996,571.19 and 348,569.49
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Solution
The fourth proportional to 664,186.40, 996,571.19 and 348,569.49 is: 523,007.26
Step by Step Solution
- Step 1: Write the proportion equation
664,186.40 : 996,571.19 = 348,569.49 : x - Step 2: Convert to fraction form
664,186.40/996,571.19 = 348,569.49/x - Step 3: Cross multiply
664,186.40x = 996,571.19 × 348,569.49 - Step 4: Simplify right side
664,186.40x = 347,374,311,446.99 - Step 5: Solve for x
x = 347,374,311,446.99/664,186.40 - Step 6: Final answer
x = 523,007.26
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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.