Finding the Fourth Proportional to 202,642.56, 303,937.92 and 84,291.84
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Solution
The fourth proportional to 202,642.56, 303,937.92 and 84,291.84 is: 126,426.98
Step by Step Solution
- Step 1: Write the proportion equation
202,642.56 : 303,937.92 = 84,291.84 : x - Step 2: Convert to fraction form
202,642.56/303,937.92 = 84,291.84/x - Step 3: Cross multiply
202,642.56x = 303,937.92 × 84,291.84 - Step 4: Simplify right side
202,642.56x = 25,619,486,522.57 - Step 5: Solve for x
x = 25,619,486,522.57/202,642.56 - Step 6: Final answer
x = 126,426.98
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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.