Finding the Fourth Proportional to 268,163.36, 401,909.68 and 135,077.12
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Solution
The fourth proportional to 268,163.36, 401,909.68 and 135,077.12 is: 202,446.76
Step by Step Solution
- Step 1: Write the proportion equation
268,163.36 : 401,909.68 = 135,077.12 : x - Step 2: Convert to fraction form
268,163.36/401,909.68 = 135,077.12/x - Step 3: Cross multiply
268,163.36x = 401,909.68 × 135,077.12 - Step 4: Simplify right side
268,163.36x = 54,288,802,074.52 - Step 5: Solve for x
x = 54,288,802,074.52/268,163.36 - Step 6: Final answer
x = 202,446.76
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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.