Finding the Fourth Proportional to 397,135.80, 547,960.50 and 236,044.44
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Solution
The fourth proportional to 397,135.80, 547,960.50 and 236,044.44 is: 325,689.67
Step by Step Solution
- Step 1: Write the proportion equation
397,135.80 : 547,960.50 = 236,044.44 : x - Step 2: Convert to fraction form
397,135.80/547,960.50 = 236,044.44/x - Step 3: Cross multiply
397,135.80x = 547,960.50 × 236,044.44 - Step 4: Simplify right side
397,135.80x = 129,343,029,364.62 - Step 5: Solve for x
x = 129,343,029,364.62/397,135.80 - Step 6: Final answer
x = 325,689.67
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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.