Finding the Fourth Proportional to 451,625.26, 677,438.19 and 114,691.18
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Solution
The fourth proportional to 451,625.26, 677,438.19 and 114,691.18 is: 172,036.84
Step by Step Solution
- Step 1: Write the proportion equation
451,625.26 : 677,438.19 = 114,691.18 : x - Step 2: Convert to fraction form
451,625.26/677,438.19 = 114,691.18/x - Step 3: Cross multiply
451,625.26x = 677,438.19 × 114,691.18 - Step 4: Simplify right side
451,625.26x = 77,696,183,694.57 - Step 5: Solve for x
x = 77,696,183,694.57/451,625.26 - Step 6: Final answer
x = 172,036.84
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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.