Finding the Fourth Proportional to 313,382.82, 432,478.64 and 177,414.00
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Solution
The fourth proportional to 313,382.82, 432,478.64 and 177,414.00 is: 244,837.17
Step by Step Solution
- Step 1: Write the proportion equation
313,382.82 : 432,478.64 = 177,414.00 : x - Step 2: Convert to fraction form
313,382.82/432,478.64 = 177,414.00/x - Step 3: Cross multiply
313,382.82x = 432,478.64 × 177,414.00 - Step 4: Simplify right side
313,382.82x = 76,727,764,258.70 - Step 5: Solve for x
x = 76,727,764,258.70/313,382.82 - Step 6: Final answer
x = 244,837.17
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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.