Finding the Fourth Proportional to 303,486.44, 418,968.68 and 221,722.88
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Solution
The fourth proportional to 303,486.44, 418,968.68 and 221,722.88 is: 306,092.56
Step by Step Solution
- Step 1: Write the proportion equation
303,486.44 : 418,968.68 = 221,722.88 : x - Step 2: Convert to fraction form
303,486.44/418,968.68 = 221,722.88/x - Step 3: Cross multiply
303,486.44x = 418,968.68 × 221,722.88 - Step 4: Simplify right side
303,486.44x = 92,894,939,155.94 - Step 5: Solve for x
x = 92,894,939,155.94/303,486.44 - Step 6: Final answer
x = 306,092.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.