Finding the Fourth Proportional to 110,933.20, 166,465.68 and 40,861.68
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Solution
The fourth proportional to 110,933.20, 166,465.68 and 40,861.68 is: 61,316.79
Step by Step Solution
- Step 1: Write the proportion equation
110,933.20 : 166,465.68 = 40,861.68 : x - Step 2: Convert to fraction form
110,933.20/166,465.68 = 40,861.68/x - Step 3: Cross multiply
110,933.20x = 166,465.68 × 40,861.68 - Step 4: Simplify right side
110,933.20x = 6,802,067,347.14 - Step 5: Solve for x
x = 6,802,067,347.14/110,933.20 - Step 6: Final answer
x = 61,316.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.