Finding the Fourth Proportional to 103,690.67, 155,560.70 and 33,569.99
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Solution
The fourth proportional to 103,690.67, 155,560.70 and 33,569.99 is: 50,362.98
Step by Step Solution
- Step 1: Write the proportion equation
103,690.67 : 155,560.70 = 33,569.99 : x - Step 2: Convert to fraction form
103,690.67/155,560.70 = 33,569.99/x - Step 3: Cross multiply
103,690.67x = 155,560.70 × 33,569.99 - Step 4: Simplify right side
103,690.67x = 5,222,171,143.39 - Step 5: Solve for x
x = 5,222,171,143.39/103,690.67 - Step 6: Final answer
x = 50,362.98
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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.