Finding the Fourth Proportional to 234,112.12, 323,072.42 and 126,679.88
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Solution
The fourth proportional to 234,112.12, 323,072.42 and 126,679.88 is: 174,816.99
Step by Step Solution
- Step 1: Write the proportion equation
234,112.12 : 323,072.42 = 126,679.88 : x - Step 2: Convert to fraction form
234,112.12/323,072.42 = 126,679.88/x - Step 3: Cross multiply
234,112.12x = 323,072.42 × 126,679.88 - Step 4: Simplify right side
234,112.12x = 40,926,775,396.91 - Step 5: Solve for x
x = 40,926,775,396.91/234,112.12 - Step 6: Final answer
x = 174,816.99
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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.