Finding the Fourth Proportional to 110,733.21, 166,121.67 and 40,613.13
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Solution
The fourth proportional to 110,733.21, 166,121.67 and 40,613.13 is: 60,927.71
Step by Step Solution
- Step 1: Write the proportion equation
110,733.21 : 166,121.67 = 40,613.13 : x - Step 2: Convert to fraction form
110,733.21/166,121.67 = 40,613.13/x - Step 3: Cross multiply
110,733.21x = 166,121.67 × 40,613.13 - Step 4: Simplify right side
110,733.21x = 6,746,720,979.53 - Step 5: Solve for x
x = 6,746,720,979.53/110,733.21 - Step 6: Final answer
x = 60,927.71
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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.