Finding the Fourth Proportional to 284,910.08, 427,575.10 and 135,150.80
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Solution
The fourth proportional to 284,910.08, 427,575.10 and 135,150.80 is: 202,825.81
Step by Step Solution
- Step 1: Write the proportion equation
284,910.08 : 427,575.10 = 135,150.80 : x - Step 2: Convert to fraction form
284,910.08/427,575.10 = 135,150.80/x - Step 3: Cross multiply
284,910.08x = 427,575.10 × 135,150.80 - Step 4: Simplify right side
284,910.08x = 57,787,116,825.08 - Step 5: Solve for x
x = 57,787,116,825.08/284,910.08 - Step 6: Final answer
x = 202,825.81
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1.5x scale
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.