Finding the Fourth Proportional to 995,415.75, 1,493,129.09 and 247,461.75
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Solution
The fourth proportional to 995,415.75, 1,493,129.09 and 247,461.75 is: 371,193.98
Step by Step Solution
- Step 1: Write the proportion equation
995,415.75 : 1,493,129.09 = 247,461.75 : x - Step 2: Convert to fraction form
995,415.75/1,493,129.09 = 247,461.75/x - Step 3: Cross multiply
995,415.75x = 1,493,129.09 × 247,461.75 - Step 4: Simplify right side
995,415.75x = 369,492,338,205.96 - Step 5: Solve for x
x = 369,492,338,205.96/995,415.75 - Step 6: Final answer
x = 371,193.98
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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.