Finding the Fourth Proportional to 212,695.97, 293,517.99 and 120,814.62
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Solution
The fourth proportional to 212,695.97, 293,517.99 and 120,814.62 is: 166,722.79
Step by Step Solution
- Step 1: Write the proportion equation
212,695.97 : 293,517.99 = 120,814.62 : x - Step 2: Convert to fraction form
212,695.97/293,517.99 = 120,814.62/x - Step 3: Cross multiply
212,695.97x = 293,517.99 × 120,814.62 - Step 4: Simplify right side
212,695.97x = 35,461,264,425.01 - Step 5: Solve for x
x = 35,461,264,425.01/212,695.97 - Step 6: Final answer
x = 166,722.79
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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.