Finding the Fourth Proportional to 201,837.20, 302,755.80 and 170,733.20
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Solution
The fourth proportional to 201,837.20, 302,755.80 and 170,733.20 is: 256,099.80
Step by Step Solution
- Step 1: Write the proportion equation
201,837.20 : 302,755.80 = 170,733.20 : x - Step 2: Convert to fraction form
201,837.20/302,755.80 = 170,733.20/x - Step 3: Cross multiply
201,837.20x = 302,755.80 × 170,733.20 - Step 4: Simplify right side
201,837.20x = 51,690,466,552.56 - Step 5: Solve for x
x = 51,690,466,552.56/201,837.20 - Step 6: Final answer
x = 256,099.80
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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.