Finding the Fourth Proportional to 252,137.40, 378,206.10 and 232,891.80
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Solution
The fourth proportional to 252,137.40, 378,206.10 and 232,891.80 is: 349,337.70
Step by Step Solution
- Step 1: Write the proportion equation
252,137.40 : 378,206.10 = 232,891.80 : x - Step 2: Convert to fraction form
252,137.40/378,206.10 = 232,891.80/x - Step 3: Cross multiply
252,137.40x = 378,206.10 × 232,891.80 - Step 4: Simplify right side
252,137.40x = 88,081,099,399.98 - Step 5: Solve for x
x = 88,081,099,399.98/252,137.40 - Step 6: Final answer
x = 349,337.70
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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.