Finding the Fourth Proportional to 371,711.88, 512,964.36 and 201,946.32
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Solution
The fourth proportional to 371,711.88, 512,964.36 and 201,946.32 is: 278,686.99
Step by Step Solution
- Step 1: Write the proportion equation
371,711.88 : 512,964.36 = 201,946.32 : x - Step 2: Convert to fraction form
371,711.88/512,964.36 = 201,946.32/x - Step 3: Cross multiply
371,711.88x = 512,964.36 × 201,946.32 - Step 4: Simplify right side
371,711.88x = 103,591,264,793.16 - Step 5: Solve for x
x = 103,591,264,793.16/371,711.88 - Step 6: Final answer
x = 278,686.99
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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.