Finding the Fourth Proportional to 306,358.26, 422,744.78 and 177,270.99
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Solution
The fourth proportional to 306,358.26, 422,744.78 and 177,270.99 is: 244,616.83
Step by Step Solution
- Step 1: Write the proportion equation
306,358.26 : 422,744.78 = 177,270.99 : x - Step 2: Convert to fraction form
306,358.26/422,744.78 = 177,270.99/x - Step 3: Cross multiply
306,358.26x = 422,744.78 × 177,270.99 - Step 4: Simplify right side
306,358.26x = 74,940,385,667.93 - Step 5: Solve for x
x = 74,940,385,667.93/306,358.26 - Step 6: Final answer
x = 244,616.83
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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.