Finding the Fourth Proportional to 144,755.92, 217,133.97 and 39,566.98
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Solution
The fourth proportional to 144,755.92, 217,133.97 and 39,566.98 is: 59,350.49
Step by Step Solution
- Step 1: Write the proportion equation
144,755.92 : 217,133.97 = 39,566.98 : x - Step 2: Convert to fraction form
144,755.92/217,133.97 = 39,566.98/x - Step 3: Cross multiply
144,755.92x = 217,133.97 × 39,566.98 - Step 4: Simplify right side
144,755.92x = 8,591,335,448.31 - Step 5: Solve for x
x = 8,591,335,448.31/144,755.92 - Step 6: Final answer
x = 59,350.49
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Half scale
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Double scale
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Similar ratio
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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.