Finding the Fourth Proportional to 284,381.21, 426,649.74 and 124,428.14
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Solution
The fourth proportional to 284,381.21, 426,649.74 and 124,428.14 is: 186,676.31
Step by Step Solution
- Step 1: Write the proportion equation
284,381.21 : 426,649.74 = 124,428.14 : x - Step 2: Convert to fraction form
284,381.21/426,649.74 = 124,428.14/x - Step 3: Cross multiply
284,381.21x = 426,649.74 × 124,428.14 - Step 4: Simplify right side
284,381.21x = 53,087,234,335.24 - Step 5: Solve for x
x = 53,087,234,335.24/284,381.21 - Step 6: Final answer
x = 186,676.31
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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.