Finding the Fourth Proportional to 225,516.06, 338,312.88 and 75,770.64
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Solution
The fourth proportional to 225,516.06, 338,312.88 and 75,770.64 is: 113,668.99
Step by Step Solution
- Step 1: Write the proportion equation
225,516.06 : 338,312.88 = 75,770.64 : x - Step 2: Convert to fraction form
225,516.06/338,312.88 = 75,770.64/x - Step 3: Cross multiply
225,516.06x = 338,312.88 × 75,770.64 - Step 4: Simplify right side
225,516.06x = 25,634,183,437.84 - Step 5: Solve for x
x = 25,634,183,437.84/225,516.06 - Step 6: Final answer
x = 113,668.99
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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.