Finding the Fourth Proportional to 200,195.36, 275,949.36 and 135,644.96
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Solution
The fourth proportional to 200,195.36, 275,949.36 and 135,644.96 is: 186,973.06
Step by Step Solution
- Step 1: Write the proportion equation
200,195.36 : 275,949.36 = 135,644.96 : x - Step 2: Convert to fraction form
200,195.36/275,949.36 = 135,644.96/x - Step 3: Cross multiply
200,195.36x = 275,949.36 × 135,644.96 - Step 4: Simplify right side
200,195.36x = 37,431,139,899.23 - Step 5: Solve for x
x = 37,431,139,899.23/200,195.36 - Step 6: Final answer
x = 186,973.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.