Finding the Fourth Proportional to 404,251.68, 558,086.04 and 243,142.68
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Solution
The fourth proportional to 404,251.68, 558,086.04 and 243,142.68 is: 335,668.45
Step by Step Solution
- Step 1: Write the proportion equation
404,251.68 : 558,086.04 = 243,142.68 : x - Step 2: Convert to fraction form
404,251.68/558,086.04 = 243,142.68/x - Step 3: Cross multiply
404,251.68x = 558,086.04 × 243,142.68 - Step 4: Simplify right side
404,251.68x = 135,694,535,436.19 - Step 5: Solve for x
x = 135,694,535,436.19/404,251.68 - Step 6: Final answer
x = 335,668.45
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1.5x scale
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.