Finding the Fourth Proportional to 371,713.87, 512,955.16 and 218,761.08
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Solution
The fourth proportional to 371,713.87, 512,955.16 and 218,761.08 is: 301,884.42
Step by Step Solution
- Step 1: Write the proportion equation
371,713.87 : 512,955.16 = 218,761.08 : x - Step 2: Convert to fraction form
371,713.87/512,955.16 = 218,761.08/x - Step 3: Cross multiply
371,713.87x = 512,955.16 × 218,761.08 - Step 4: Simplify right side
371,713.87x = 112,214,624,793.17 - Step 5: Solve for x
x = 112,214,624,793.17/371,713.87 - Step 6: Final answer
x = 301,884.42
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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.