Finding the Fourth Proportional to 440,193.64, 606,107.02 and 343,786.92
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Solution
The fourth proportional to 440,193.64, 606,107.02 and 343,786.92 is: 473,363.64
Step by Step Solution
- Step 1: Write the proportion equation
440,193.64 : 606,107.02 = 343,786.92 : x - Step 2: Convert to fraction form
440,193.64/606,107.02 = 343,786.92/x - Step 3: Cross multiply
440,193.64x = 606,107.02 × 343,786.92 - Step 4: Simplify right side
440,193.64x = 208,371,665,596.18 - Step 5: Solve for x
x = 208,371,665,596.18/440,193.64 - Step 6: Final answer
x = 473,363.64
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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.