Finding the Fourth Proportional to 102,874.48, 154,310.08 and 32,752.80
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Solution
The fourth proportional to 102,874.48, 154,310.08 and 32,752.80 is: 49,128.68
Step by Step Solution
- Step 1: Write the proportion equation
102,874.48 : 154,310.08 = 32,752.80 : x - Step 2: Convert to fraction form
102,874.48/154,310.08 = 32,752.80/x - Step 3: Cross multiply
102,874.48x = 154,310.08 × 32,752.80 - Step 4: Simplify right side
102,874.48x = 5,054,087,188.22 - Step 5: Solve for x
x = 5,054,087,188.22/102,874.48 - Step 6: Final answer
x = 49,128.68
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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.