Finding the Fourth Proportional to 137,138.73, 205,634.13 and 62,217.99
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Solution
The fourth proportional to 137,138.73, 205,634.13 and 62,217.99 is: 93,293.43
Step by Step Solution
- Step 1: Write the proportion equation
137,138.73 : 205,634.13 = 62,217.99 : x - Step 2: Convert to fraction form
137,138.73/205,634.13 = 62,217.99/x - Step 3: Cross multiply
137,138.73x = 205,634.13 × 62,217.99 - Step 4: Simplify right side
137,138.73x = 12,794,143,015.13 - Step 5: Solve for x
x = 12,794,143,015.13/137,138.73 - Step 6: Final answer
x = 93,293.43
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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.