Finding the Fourth Proportional to 212,814.14, 293,696.73 and 117,320.66
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Solution
The fourth proportional to 212,814.14, 293,696.73 and 117,320.66 is: 161,909.80
Step by Step Solution
- Step 1: Write the proportion equation
212,814.14 : 293,696.73 = 117,320.66 : x - Step 2: Convert to fraction form
212,814.14/293,696.73 = 117,320.66/x - Step 3: Cross multiply
212,814.14x = 293,696.73 × 117,320.66 - Step 4: Simplify right side
212,814.14x = 34,456,693,909.15 - Step 5: Solve for x
x = 34,456,693,909.15/212,814.14 - Step 6: Final answer
x = 161,909.80
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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.