Finding the Fourth Proportional to 252,149.09, 378,224.24 and 207,597.47
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Solution
The fourth proportional to 252,149.09, 378,224.24 and 207,597.47 is: 311,396.70
Step by Step Solution
- Step 1: Write the proportion equation
252,149.09 : 378,224.24 = 207,597.47 : x - Step 2: Convert to fraction form
252,149.09/378,224.24 = 207,597.47/x - Step 3: Cross multiply
252,149.09x = 378,224.24 × 207,597.47 - Step 4: Simplify right side
252,149.09x = 78,518,392,387.56 - Step 5: Solve for x
x = 78,518,392,387.56/252,149.09 - Step 6: Final answer
x = 311,396.70
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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.