Finding the Fourth Proportional to 227,403.70, 313,818.42 and 125,432.80
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Solution
The fourth proportional to 227,403.70, 313,818.42 and 125,432.80 is: 173,097.99
Step by Step Solution
- Step 1: Write the proportion equation
227,403.70 : 313,818.42 = 125,432.80 : x - Step 2: Convert to fraction form
227,403.70/313,818.42 = 125,432.80/x - Step 3: Cross multiply
227,403.70x = 313,818.42 × 125,432.80 - Step 4: Simplify right side
227,403.70x = 39,363,123,112.18 - Step 5: Solve for x
x = 39,363,123,112.18/227,403.70 - Step 6: Final answer
x = 173,097.99
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1.5x scale
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.