Finding the Fourth Proportional to 363,814.13, 502,066.86 and 202,668.68
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Solution
The fourth proportional to 363,814.13, 502,066.86 and 202,668.68 is: 279,684.65
Step by Step Solution
- Step 1: Write the proportion equation
363,814.13 : 502,066.86 = 202,668.68 : x - Step 2: Convert to fraction form
363,814.13/502,066.86 = 202,668.68/x - Step 3: Cross multiply
363,814.13x = 502,066.86 × 202,668.68 - Step 4: Simplify right side
363,814.13x = 101,753,228,283.10 - Step 5: Solve for x
x = 101,753,228,283.10/363,814.13 - Step 6: Final answer
x = 279,684.65
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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.