Finding the Fourth Proportional to 212,584.40, 293,366.47 and 117,091.09
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Solution
The fourth proportional to 212,584.40, 293,366.47 and 117,091.09 is: 161,585.70
Step by Step Solution
- Step 1: Write the proportion equation
212,584.40 : 293,366.47 = 117,091.09 : x - Step 2: Convert to fraction form
212,584.40/293,366.47 = 117,091.09/x - Step 3: Cross multiply
212,584.40x = 293,366.47 × 117,091.09 - Step 4: Simplify right side
212,584.40x = 34,350,599,741.75 - Step 5: Solve for x
x = 34,350,599,741.75/212,584.40 - Step 6: Final answer
x = 161,585.70
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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.