Finding the Fourth Proportional to 272,163.47, 375,593.72 and 149,649.48
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Solution
The fourth proportional to 272,163.47, 375,593.72 and 149,649.48 is: 206,520.75
Step by Step Solution
- Step 1: Write the proportion equation
272,163.47 : 375,593.72 = 149,649.48 : x - Step 2: Convert to fraction form
272,163.47/375,593.72 = 149,649.48/x - Step 3: Cross multiply
272,163.47x = 375,593.72 × 149,649.48 - Step 4: Simplify right side
272,163.47x = 56,207,404,141.02 - Step 5: Solve for x
x = 56,207,404,141.02/272,163.47 - Step 6: Final answer
x = 206,520.75
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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.