Finding the Fourth Proportional to 397,796.57, 548,711.37 and 242,676.99
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Solution
The fourth proportional to 397,796.57, 548,711.37 and 242,676.99 is: 334,743.02
Step by Step Solution
- Step 1: Write the proportion equation
397,796.57 : 548,711.37 = 242,676.99 : x - Step 2: Convert to fraction form
397,796.57/548,711.37 = 242,676.99/x - Step 3: Cross multiply
397,796.57x = 548,711.37 × 242,676.99 - Step 4: Simplify right side
397,796.57x = 133,159,623,650.38 - Step 5: Solve for x
x = 133,159,623,650.38/397,796.57 - Step 6: Final answer
x = 334,743.02
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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.