Finding the Fourth Proportional to 254,605.20, 351,355.26 and 139,891.19
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Solution
The fourth proportional to 254,605.20, 351,355.26 and 139,891.19 is: 193,049.88
Step by Step Solution
- Step 1: Write the proportion equation
254,605.20 : 351,355.26 = 139,891.19 : x - Step 2: Convert to fraction form
254,605.20/351,355.26 = 139,891.19/x - Step 3: Cross multiply
254,605.20x = 351,355.26 × 139,891.19 - Step 4: Simplify right side
254,605.20x = 49,151,503,677.38 - Step 5: Solve for x
x = 49,151,503,677.38/254,605.20 - Step 6: Final answer
x = 193,049.88
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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.