Finding the Fourth Proportional to 371,310.08, 512,394.16 and 201,540.56
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Solution
The fourth proportional to 371,310.08, 512,394.16 and 201,540.56 is: 278,118.51
Step by Step Solution
- Step 1: Write the proportion equation
371,310.08 : 512,394.16 = 201,540.56 : x - Step 2: Convert to fraction form
371,310.08/512,394.16 = 201,540.56/x - Step 3: Cross multiply
371,310.08x = 512,394.16 × 201,540.56 - Step 4: Simplify right side
371,310.08x = 103,268,205,947.13 - Step 5: Solve for x
x = 103,268,205,947.13/371,310.08 - Step 6: Final answer
x = 278,118.51
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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.