Finding the Fourth Proportional to 110,929.20, 166,459.68 and 40,857.68
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Solution
The fourth proportional to 110,929.20, 166,459.68 and 40,857.68 is: 61,310.79
Step by Step Solution
- Step 1: Write the proportion equation
110,929.20 : 166,459.68 = 40,857.68 : x - Step 2: Convert to fraction form
110,929.20/166,459.68 = 40,857.68/x - Step 3: Cross multiply
110,929.20x = 166,459.68 × 40,857.68 - Step 4: Simplify right side
110,929.20x = 6,801,156,338.34 - Step 5: Solve for x
x = 6,801,156,338.34/110,929.20 - Step 6: Final answer
x = 61,310.79
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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.