Finding the Fourth Proportional to 371,511.90, 512,686.26 and 201,745.98
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Solution
The fourth proportional to 371,511.90, 512,686.26 and 201,745.98 is: 278,409.36
Step by Step Solution
- Step 1: Write the proportion equation
371,511.90 : 512,686.26 = 201,745.98 : x - Step 2: Convert to fraction form
371,511.90/512,686.26 = 201,745.98/x - Step 3: Cross multiply
371,511.90x = 512,686.26 × 201,745.98 - Step 4: Simplify right side
371,511.90x = 103,432,391,956.24 - Step 5: Solve for x
x = 103,432,391,956.24/371,511.90 - Step 6: Final answer
x = 278,409.36
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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.