Finding the Fourth Proportional to 371,290.10, 512,366.63 and 201,520.58
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Solution
The fourth proportional to 371,290.10, 512,366.63 and 201,520.58 is: 278,090.96
Step by Step Solution
- Step 1: Write the proportion equation
371,290.10 : 512,366.63 = 201,520.58 : x - Step 2: Convert to fraction form
371,290.10/512,366.63 = 201,520.58/x - Step 3: Cross multiply
371,290.10x = 512,366.63 × 201,520.58 - Step 4: Simplify right side
371,290.10x = 103,252,422,234.96 - Step 5: Solve for x
x = 103,252,422,234.96/371,290.10 - Step 6: Final answer
x = 278,090.96
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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.