Finding the Fourth Proportional to 135,311.75, 202,945.58 and 45,394.26
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Solution
The fourth proportional to 135,311.75, 202,945.58 and 45,394.26 is: 68,083.99
Step by Step Solution
- Step 1: Write the proportion equation
135,311.75 : 202,945.58 = 45,394.26 : x - Step 2: Convert to fraction form
135,311.75/202,945.58 = 45,394.26/x - Step 3: Cross multiply
135,311.75x = 202,945.58 × 45,394.26 - Step 4: Simplify right side
135,311.75x = 9,212,564,537.86 - Step 5: Solve for x
x = 9,212,564,537.86/135,311.75 - Step 6: Final answer
x = 68,083.99
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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.