Finding the Fourth Proportional to 131,733.99, 197,601.49 and 31,894.03
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Solution
The fourth proportional to 131,733.99, 197,601.49 and 31,894.03 is: 47,841.17
Step by Step Solution
- Step 1: Write the proportion equation
131,733.99 : 197,601.49 = 31,894.03 : x - Step 2: Convert to fraction form
131,733.99/197,601.49 = 31,894.03/x - Step 3: Cross multiply
131,733.99x = 197,601.49 × 31,894.03 - Step 4: Simplify right side
131,733.99x = 6,302,307,850.10 - Step 5: Solve for x
x = 6,302,307,850.10/131,733.99 - Step 6: Final answer
x = 47,841.17
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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.