Finding the Fourth Proportional to 113,995.91, 170,997.32 and 39,114.99
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Solution
The fourth proportional to 113,995.91, 170,997.32 and 39,114.99 is: 58,673.67
Step by Step Solution
- Step 1: Write the proportion equation
113,995.91 : 170,997.32 = 39,114.99 : x - Step 2: Convert to fraction form
113,995.91/170,997.32 = 39,114.99/x - Step 3: Cross multiply
113,995.91x = 170,997.32 × 39,114.99 - Step 4: Simplify right side
113,995.91x = 6,688,558,559.61 - Step 5: Solve for x
x = 6,688,558,559.61/113,995.91 - Step 6: Final answer
x = 58,673.67
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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.