Finding the Fourth Proportional to 235,756.67, 353,638.67 and 131,239.94
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Solution
The fourth proportional to 235,756.67, 353,638.67 and 131,239.94 is: 196,861.94
Step by Step Solution
- Step 1: Write the proportion equation
235,756.67 : 353,638.67 = 131,239.94 : x - Step 2: Convert to fraction form
235,756.67/353,638.67 = 131,239.94/x - Step 3: Cross multiply
235,756.67x = 353,638.67 × 131,239.94 - Step 4: Simplify right side
235,756.67x = 46,411,515,408.09 - Step 5: Solve for x
x = 46,411,515,408.09/235,756.67 - Step 6: Final answer
x = 196,861.94
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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.