Finding the Fourth Proportional to 328,302.09, 453,056.90 and 177,399.09
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Solution
The fourth proportional to 328,302.09, 453,056.90 and 177,399.09 is: 244,810.75
Step by Step Solution
- Step 1: Write the proportion equation
328,302.09 : 453,056.90 = 177,399.09 : x - Step 2: Convert to fraction form
328,302.09/453,056.90 = 177,399.09/x - Step 3: Cross multiply
328,302.09x = 453,056.90 × 177,399.09 - Step 4: Simplify right side
328,302.09x = 80,371,880,891.23 - Step 5: Solve for x
x = 80,371,880,891.23/328,302.09 - Step 6: Final answer
x = 244,810.75
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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.