Finding the Fourth Proportional to 362,241.30, 543,361.95 and 328,415.70
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Solution
The fourth proportional to 362,241.30, 543,361.95 and 328,415.70 is: 492,623.55
Step by Step Solution
- Step 1: Write the proportion equation
362,241.30 : 543,361.95 = 328,415.70 : x - Step 2: Convert to fraction form
362,241.30/543,361.95 = 328,415.70/x - Step 3: Cross multiply
362,241.30x = 543,361.95 × 328,415.70 - Step 4: Simplify right side
362,241.30x = 178,448,595,162.62 - Step 5: Solve for x
x = 178,448,595,162.62/362,241.30 - Step 6: Final answer
x = 492,623.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.