Finding the Fourth Proportional to 305,433.36, 458,286.12 and 118,459.44
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Solution
The fourth proportional to 305,433.36, 458,286.12 and 118,459.44 is: 177,741.94
Step by Step Solution
- Step 1: Write the proportion equation
305,433.36 : 458,286.12 = 118,459.44 : x - Step 2: Convert to fraction form
305,433.36/458,286.12 = 118,459.44/x - Step 3: Cross multiply
305,433.36x = 458,286.12 × 118,459.44 - Step 4: Simplify right side
305,433.36x = 54,288,317,134.97 - Step 5: Solve for x
x = 54,288,317,134.97/305,433.36 - Step 6: Final answer
x = 177,741.94
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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.