Finding the Fourth Proportional to 321,398.73, 482,051.61 and 225,043.62
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Solution
The fourth proportional to 321,398.73, 482,051.61 and 225,043.62 is: 337,532.88
Step by Step Solution
- Step 1: Write the proportion equation
321,398.73 : 482,051.61 = 225,043.62 : x - Step 2: Convert to fraction form
321,398.73/482,051.61 = 225,043.62/x - Step 3: Cross multiply
321,398.73x = 482,051.61 × 225,043.62 - Step 4: Simplify right side
321,398.73x = 108,482,639,341.23 - Step 5: Solve for x
x = 108,482,639,341.23/321,398.73 - Step 6: Final answer
x = 337,532.88
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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.