Finding the Fourth Proportional to 284,006.36, 426,097.94 and 84,327.80
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Solution
The fourth proportional to 284,006.36, 426,097.94 and 84,327.80 is: 126,517.94
Step by Step Solution
- Step 1: Write the proportion equation
284,006.36 : 426,097.94 = 84,327.80 : x - Step 2: Convert to fraction form
284,006.36/426,097.94 = 84,327.80/x - Step 3: Cross multiply
284,006.36x = 426,097.94 × 84,327.80 - Step 4: Simplify right side
284,006.36x = 35,931,899,312.60 - Step 5: Solve for x
x = 35,931,899,312.60/284,006.36 - Step 6: Final answer
x = 126,517.94
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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.