Finding the Fourth Proportional to 313,382.28, 432,472.62 and 177,412.68
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Solution
The fourth proportional to 313,382.28, 432,472.62 and 177,412.68 is: 244,832.37
Step by Step Solution
- Step 1: Write the proportion equation
313,382.28 : 432,472.62 = 177,412.68 : x - Step 2: Convert to fraction form
313,382.28/432,472.62 = 177,412.68/x - Step 3: Cross multiply
313,382.28x = 432,472.62 × 177,412.68 - Step 4: Simplify right side
313,382.28x = 76,726,126,540.82 - Step 5: Solve for x
x = 76,726,126,540.82/313,382.28 - Step 6: Final answer
x = 244,832.37
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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.