Finding the Fourth Proportional to 212,814.45, 293,685.99 and 117,324.63
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Solution
The fourth proportional to 212,814.45, 293,685.99 and 117,324.63 is: 161,909.12
Step by Step Solution
- Step 1: Write the proportion equation
212,814.45 : 293,685.99 = 117,324.63 : x - Step 2: Convert to fraction form
212,814.45/293,685.99 = 117,324.63/x - Step 3: Cross multiply
212,814.45x = 293,685.99 × 117,324.63 - Step 4: Simplify right side
212,814.45x = 34,456,600,112.93 - Step 5: Solve for x
x = 34,456,600,112.93/212,814.45 - Step 6: Final answer
x = 161,909.12
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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.