Finding the Fourth Proportional to 279,764.43, 419,770.71 and 146,613.08
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Solution
The fourth proportional to 279,764.43, 419,770.71 and 146,613.08 is: 219,984.63
Step by Step Solution
- Step 1: Write the proportion equation
279,764.43 : 419,770.71 = 146,613.08 : x - Step 2: Convert to fraction form
279,764.43/419,770.71 = 146,613.08/x - Step 3: Cross multiply
279,764.43x = 419,770.71 × 146,613.08 - Step 4: Simplify right side
279,764.43x = 61,543,874,588.03 - Step 5: Solve for x
x = 61,543,874,588.03/279,764.43 - Step 6: Final answer
x = 219,984.63
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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.