Finding the Fourth Proportional to 371,338.98, 512,447.34 and 201,573.12
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Solution
The fourth proportional to 371,338.98, 512,447.34 and 201,573.12 is: 278,170.66
Step by Step Solution
- Step 1: Write the proportion equation
371,338.98 : 512,447.34 = 201,573.12 : x - Step 2: Convert to fraction form
371,338.98/512,447.34 = 201,573.12/x - Step 3: Cross multiply
371,338.98x = 512,447.34 × 201,573.12 - Step 4: Simplify right side
371,338.98x = 103,295,609,159.50 - Step 5: Solve for x
x = 103,295,609,159.50/371,338.98 - Step 6: Final answer
x = 278,170.66
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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.