Finding the Fourth Proportional to 664,390.97, 996,717.60 and 243,670.49
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Solution
The fourth proportional to 664,390.97, 996,717.60 and 243,670.49 is: 365,553.83
Step by Step Solution
- Step 1: Write the proportion equation
664,390.97 : 996,717.60 = 243,670.49 : x - Step 2: Convert to fraction form
664,390.97/996,717.60 = 243,670.49/x - Step 3: Cross multiply
664,390.97x = 996,717.60 × 243,670.49 - Step 4: Simplify right side
664,390.97x = 242,870,661,000.04 - Step 5: Solve for x
x = 242,870,661,000.04/664,390.97 - Step 6: Final answer
x = 365,553.83
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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.