Finding the Fourth Proportional to 138,488.44, 207,760.60 and 43,733.42
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Solution
The fourth proportional to 138,488.44, 207,760.60 and 43,733.42 is: 65,608.95
Step by Step Solution
- Step 1: Write the proportion equation
138,488.44 : 207,760.60 = 43,733.42 : x - Step 2: Convert to fraction form
138,488.44/207,760.60 = 43,733.42/x - Step 3: Cross multiply
138,488.44x = 207,760.60 × 43,733.42 - Step 4: Simplify right side
138,488.44x = 9,086,081,579.25 - Step 5: Solve for x
x = 9,086,081,579.25/138,488.44 - Step 6: Final answer
x = 65,608.95
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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.