Finding the Fourth Proportional to 202,220.20, 303,395.10 and 135,735.40
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Solution
The fourth proportional to 202,220.20, 303,395.10 and 135,735.40 is: 203,646.60
Step by Step Solution
- Step 1: Write the proportion equation
202,220.20 : 303,395.10 = 135,735.40 : x - Step 2: Convert to fraction form
202,220.20/303,395.10 = 135,735.40/x - Step 3: Cross multiply
202,220.20x = 303,395.10 × 135,735.40 - Step 4: Simplify right side
202,220.20x = 41,181,455,256.54 - Step 5: Solve for x
x = 41,181,455,256.54/202,220.20 - Step 6: Final answer
x = 203,646.60
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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.