Finding the Fourth Proportional to 187,839.91, 259,245.65 and 116,242.99
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Solution
The fourth proportional to 187,839.91, 259,245.65 and 116,242.99 is: 160,431.77
Step by Step Solution
- Step 1: Write the proportion equation
187,839.91 : 259,245.65 = 116,242.99 : x - Step 2: Convert to fraction form
187,839.91/259,245.65 = 116,242.99/x - Step 3: Cross multiply
187,839.91x = 259,245.65 × 116,242.99 - Step 4: Simplify right side
187,839.91x = 30,135,489,500.49 - Step 5: Solve for x
x = 30,135,489,500.49/187,839.91 - Step 6: Final answer
x = 160,431.77
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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.