Finding the Fourth Proportional to 371,517.99, 512,690.31 and 201,753.33
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Solution
The fourth proportional to 371,517.99, 512,690.31 and 201,753.33 is: 278,417.14
Step by Step Solution
- Step 1: Write the proportion equation
371,517.99 : 512,690.31 = 201,753.33 : x - Step 2: Convert to fraction form
371,517.99/512,690.31 = 201,753.33/x - Step 3: Cross multiply
371,517.99x = 512,690.31 × 201,753.33 - Step 4: Simplify right side
371,517.99x = 103,436,977,301.23 - Step 5: Solve for x
x = 103,436,977,301.23/371,517.99 - Step 6: Final answer
x = 278,417.14
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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.