Finding the Fourth Proportional to 212,947.08, 293,880.42 and 117,453.96
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Solution
The fourth proportional to 212,947.08, 293,880.42 and 117,453.96 is: 162,093.88
Step by Step Solution
- Step 1: Write the proportion equation
212,947.08 : 293,880.42 = 117,453.96 : x - Step 2: Convert to fraction form
212,947.08/293,880.42 = 117,453.96/x - Step 3: Cross multiply
212,947.08x = 293,880.42 × 117,453.96 - Step 4: Simplify right side
212,947.08x = 34,517,419,095.46 - Step 5: Solve for x
x = 34,517,419,095.46/212,947.08 - Step 6: Final answer
x = 162,093.88
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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.