Finding the Fourth Proportional to 252,872.24, 348,949.69 and 145,444.07
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Solution
The fourth proportional to 252,872.24, 348,949.69 and 145,444.07 is: 200,704.77
Step by Step Solution
- Step 1: Write the proportion equation
252,872.24 : 348,949.69 = 145,444.07 : x - Step 2: Convert to fraction form
252,872.24/348,949.69 = 145,444.07/x - Step 3: Cross multiply
252,872.24x = 348,949.69 × 145,444.07 - Step 4: Simplify right side
252,872.24x = 50,752,663,647.60 - Step 5: Solve for x
x = 50,752,663,647.60/252,872.24 - Step 6: Final answer
x = 200,704.77
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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.