Finding the Fourth Proportional to 303,939.20, 455,252.70 and 251,451.20
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Solution
The fourth proportional to 303,939.20, 455,252.70 and 251,451.20 is: 376,634.00
Step by Step Solution
- Step 1: Write the proportion equation
303,939.20 : 455,252.70 = 251,451.20 : x - Step 2: Convert to fraction form
303,939.20/455,252.70 = 251,451.20/x - Step 3: Cross multiply
303,939.20x = 455,252.70 × 251,451.20 - Step 4: Simplify right side
303,939.20x = 114,473,837,718.24 - Step 5: Solve for x
x = 114,473,837,718.24/303,939.20 - Step 6: Final answer
x = 376,634.00
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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.