Finding the Fourth Proportional to 202,536.36, 303,166.62 and 138,984.90
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Solution
The fourth proportional to 202,536.36, 303,166.62 and 138,984.90 is: 208,039.60
Step by Step Solution
- Step 1: Write the proportion equation
202,536.36 : 303,166.62 = 138,984.90 : x - Step 2: Convert to fraction form
202,536.36/303,166.62 = 138,984.90/x - Step 3: Cross multiply
202,536.36x = 303,166.62 × 138,984.90 - Step 4: Simplify right side
202,536.36x = 42,135,582,364.04 - Step 5: Solve for x
x = 42,135,582,364.04/202,536.36 - Step 6: Final answer
x = 208,039.60
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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.