Finding the Fourth Proportional to 284,209.08, 425,944.39 and 115,532.94
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Solution
The fourth proportional to 284,209.08, 425,944.39 and 115,532.94 is: 173,149.32
Step by Step Solution
- Step 1: Write the proportion equation
284,209.08 : 425,944.39 = 115,532.94 : x - Step 2: Convert to fraction form
284,209.08/425,944.39 = 115,532.94/x - Step 3: Cross multiply
284,209.08x = 425,944.39 × 115,532.94 - Step 4: Simplify right side
284,209.08x = 49,210,608,961.67 - Step 5: Solve for x
x = 49,210,608,961.67/284,209.08 - Step 6: Final answer
x = 173,149.32
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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.