Finding the Fourth Proportional to 138,604.98, 207,912.66 and 62,689.08
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Solution
The fourth proportional to 138,604.98, 207,912.66 and 62,689.08 is: 94,035.97
Step by Step Solution
- Step 1: Write the proportion equation
138,604.98 : 207,912.66 = 62,689.08 : x - Step 2: Convert to fraction form
138,604.98/207,912.66 = 62,689.08/x - Step 3: Cross multiply
138,604.98x = 207,912.66 × 62,689.08 - Step 4: Simplify right side
138,604.98x = 13,033,853,375.75 - Step 5: Solve for x
x = 13,033,853,375.75/138,604.98 - Step 6: Final answer
x = 94,035.97
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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.