Finding the Fourth Proportional to 284,129.10, 426,260.34 and 84,451.14
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Solution
The fourth proportional to 284,129.10, 426,260.34 and 84,451.14 is: 126,696.53
Step by Step Solution
- Step 1: Write the proportion equation
284,129.10 : 426,260.34 = 84,451.14 : x - Step 2: Convert to fraction form
284,129.10/426,260.34 = 84,451.14/x - Step 3: Cross multiply
284,129.10x = 426,260.34 × 84,451.14 - Step 4: Simplify right side
284,129.10x = 35,998,171,649.79 - Step 5: Solve for x
x = 35,998,171,649.79/284,129.10 - Step 6: Final answer
x = 126,696.53
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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.