Finding the Fourth Proportional to 442,845.20, 664,267.80 and 265,260.80
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Solution
The fourth proportional to 442,845.20, 664,267.80 and 265,260.80 is: 397,891.20
Step by Step Solution
- Step 1: Write the proportion equation
442,845.20 : 664,267.80 = 265,260.80 : x - Step 2: Convert to fraction form
442,845.20/664,267.80 = 265,260.80/x - Step 3: Cross multiply
442,845.20x = 664,267.80 × 265,260.80 - Step 4: Simplify right side
442,845.20x = 176,204,208,042.24 - Step 5: Solve for x
x = 176,204,208,042.24/442,845.20 - Step 6: Final answer
x = 397,891.20
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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.