Finding the Fourth Proportional to 328,331.70, 453,097.74 and 177,428.70
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Solution
The fourth proportional to 328,331.70, 453,097.74 and 177,428.70 is: 244,851.60
Step by Step Solution
- Step 1: Write the proportion equation
328,331.70 : 453,097.74 = 177,428.70 : x - Step 2: Convert to fraction form
328,331.70/453,097.74 = 177,428.70/x - Step 3: Cross multiply
328,331.70x = 453,097.74 × 177,428.70 - Step 4: Simplify right side
328,331.70x = 80,392,542,981.14 - Step 5: Solve for x
x = 80,392,542,981.14/328,331.70 - Step 6: Final answer
x = 244,851.60
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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.