Finding the Fourth Proportional to 371,884.14, 513,197.69 and 202,118.27
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Solution
The fourth proportional to 371,884.14, 513,197.69 and 202,118.27 is: 278,921.89
Step by Step Solution
- Step 1: Write the proportion equation
371,884.14 : 513,197.69 = 202,118.27 : x - Step 2: Convert to fraction form
371,884.14/513,197.69 = 202,118.27/x - Step 3: Cross multiply
371,884.14x = 513,197.69 × 202,118.27 - Step 4: Simplify right side
371,884.14x = 103,726,625,694.22 - Step 5: Solve for x
x = 103,726,625,694.22/371,884.14 - Step 6: Final answer
x = 278,921.89
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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.