Finding the Fourth Proportional to 361,225.49, 541,861.32 and 121,329.68
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Solution
The fourth proportional to 361,225.49, 541,861.32 and 121,329.68 is: 182,002.27
Step by Step Solution
- Step 1: Write the proportion equation
361,225.49 : 541,861.32 = 121,329.68 : x - Step 2: Convert to fraction form
361,225.49/541,861.32 = 121,329.68/x - Step 3: Cross multiply
361,225.49x = 541,861.32 × 121,329.68 - Step 4: Simplify right side
361,225.49x = 65,743,860,559.98 - Step 5: Solve for x
x = 65,743,860,559.98/361,225.49 - Step 6: Final answer
x = 182,002.27
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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.