Finding the Fourth Proportional to 272,846.80, 409,270.20 and 253,163.80
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Solution
The fourth proportional to 272,846.80, 409,270.20 and 253,163.80 is: 379,745.70
Step by Step Solution
- Step 1: Write the proportion equation
272,846.80 : 409,270.20 = 253,163.80 : x - Step 2: Convert to fraction form
272,846.80/409,270.20 = 253,163.80/x - Step 3: Cross multiply
272,846.80x = 409,270.20 × 253,163.80 - Step 4: Simplify right side
272,846.80x = 103,612,399,058.76 - Step 5: Solve for x
x = 103,612,399,058.76/272,846.80 - Step 6: Final answer
x = 379,745.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.