Finding the Fourth Proportional to 451,234.80, 676,872.18 and 251,403.66
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Solution
The fourth proportional to 451,234.80, 676,872.18 and 251,403.66 is: 377,116.62
Step by Step Solution
- Step 1: Write the proportion equation
451,234.80 : 676,872.18 = 251,403.66 : x - Step 2: Convert to fraction form
451,234.80/676,872.18 = 251,403.66/x - Step 3: Cross multiply
451,234.80x = 676,872.18 × 251,403.66 - Step 4: Simplify right side
451,234.80x = 170,168,143,404.18 - Step 5: Solve for x
x = 170,168,143,404.18/451,234.80 - Step 6: Final answer
x = 377,116.62
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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.