Finding the Fourth Proportional to 284,518.68, 426,892.77 and 126,639.15
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Solution
The fourth proportional to 284,518.68, 426,892.77 and 126,639.15 is: 190,009.80
Step by Step Solution
- Step 1: Write the proportion equation
284,518.68 : 426,892.77 = 126,639.15 : x - Step 2: Convert to fraction form
284,518.68/426,892.77 = 126,639.15/x - Step 3: Cross multiply
284,518.68x = 426,892.77 × 126,639.15 - Step 4: Simplify right side
284,518.68x = 54,061,337,533.95 - Step 5: Solve for x
x = 54,061,337,533.95/284,518.68 - Step 6: Final answer
x = 190,009.80
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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.