Finding the Fourth Proportional to 252,686.84, 378,758.09 and 134,238.92
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Solution
The fourth proportional to 252,686.84, 378,758.09 and 134,238.92 is: 201,213.79
Step by Step Solution
- Step 1: Write the proportion equation
252,686.84 : 378,758.09 = 134,238.92 : x - Step 2: Convert to fraction form
252,686.84/378,758.09 = 134,238.92/x - Step 3: Cross multiply
252,686.84x = 378,758.09 × 134,238.92 - Step 4: Simplify right side
252,686.84x = 50,844,075,384.67 - Step 5: Solve for x
x = 50,844,075,384.67/252,686.84 - Step 6: Final answer
x = 201,213.79
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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.