Finding the Fourth Proportional to 284,509.96, 426,786.68 and 84,815.08
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Solution
The fourth proportional to 284,509.96, 426,786.68 and 84,815.08 is: 127,229.10
Step by Step Solution
- Step 1: Write the proportion equation
284,509.96 : 426,786.68 = 84,815.08 : x - Step 2: Convert to fraction form
284,509.96/426,786.68 = 84,815.08/x - Step 3: Cross multiply
284,509.96x = 426,786.68 × 84,815.08 - Step 4: Simplify right side
284,509.96x = 36,197,946,407.13 - Step 5: Solve for x
x = 36,197,946,407.13/284,509.96 - Step 6: Final answer
x = 127,229.10
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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.