Finding the Fourth Proportional to 362,220.10, 543,403.05 and 125,513.80
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Solution
The fourth proportional to 362,220.10, 543,403.05 and 125,513.80 is: 188,295.96
Step by Step Solution
- Step 1: Write the proportion equation
362,220.10 : 543,403.05 = 125,513.80 : x - Step 2: Convert to fraction form
362,220.10/543,403.05 = 125,513.80/x - Step 3: Cross multiply
362,220.10x = 543,403.05 × 125,513.80 - Step 4: Simplify right side
362,220.10x = 68,204,581,737.09 - Step 5: Solve for x
x = 68,204,581,737.09/362,220.10 - Step 6: Final answer
x = 188,295.96
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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.