Finding the Fourth Proportional to 227,490.39, 313,939.98 and 125,520.30
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Solution
The fourth proportional to 227,490.39, 313,939.98 and 125,520.30 is: 173,219.80
Step by Step Solution
- Step 1: Write the proportion equation
227,490.39 : 313,939.98 = 125,520.30 : x - Step 2: Convert to fraction form
227,490.39/313,939.98 = 125,520.30/x - Step 3: Cross multiply
227,490.39x = 313,939.98 × 125,520.30 - Step 4: Simplify right side
227,490.39x = 39,405,840,471.59 - Step 5: Solve for x
x = 39,405,840,471.59/227,490.39 - Step 6: Final answer
x = 173,219.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.