Finding the Fourth Proportional to 160,850.91, 222,000.87 and 89,253.99
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Solution
The fourth proportional to 160,850.91, 222,000.87 and 89,253.99 is: 123,185.27
Step by Step Solution
- Step 1: Write the proportion equation
160,850.91 : 222,000.87 = 89,253.99 : x - Step 2: Convert to fraction form
160,850.91/222,000.87 = 89,253.99/x - Step 3: Cross multiply
160,850.91x = 222,000.87 × 89,253.99 - Step 4: Simplify right side
160,850.91x = 19,814,463,430.97 - Step 5: Solve for x
x = 19,814,463,430.97/160,850.91 - Step 6: Final answer
x = 123,185.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.