Finding the Fourth Proportional to 141,186.57, 211,717.69 and 66,327.99
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Solution
The fourth proportional to 141,186.57, 211,717.69 and 66,327.99 is: 99,462.78
Step by Step Solution
- Step 1: Write the proportion equation
141,186.57 : 211,717.69 = 66,327.99 : x - Step 2: Convert to fraction form
141,186.57/211,717.69 = 66,327.99/x - Step 3: Cross multiply
141,186.57x = 211,717.69 × 66,327.99 - Step 4: Simplify right side
141,186.57x = 14,042,808,825.14 - Step 5: Solve for x
x = 14,042,808,825.14/141,186.57 - Step 6: Final answer
x = 99,462.78
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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.