Finding the Fourth Proportional to 371,191.52, 512,245.70 and 201,425.66
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Solution
The fourth proportional to 371,191.52, 512,245.70 and 201,425.66 is: 277,968.17
Step by Step Solution
- Step 1: Write the proportion equation
371,191.52 : 512,245.70 = 201,425.66 : x - Step 2: Convert to fraction form
371,191.52/512,245.70 = 201,425.66/x - Step 3: Cross multiply
371,191.52x = 512,245.70 × 201,425.66 - Step 4: Simplify right side
371,191.52x = 103,179,427,197.53 - Step 5: Solve for x
x = 103,179,427,197.53/371,191.52 - Step 6: Final answer
x = 277,968.17
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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.