Finding the Fourth Proportional to 207,202.14, 310,756.95 and 80,845.74
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Solution
The fourth proportional to 207,202.14, 310,756.95 and 80,845.74 is: 121,250.56
Step by Step Solution
- Step 1: Write the proportion equation
207,202.14 : 310,756.95 = 80,845.74 : x - Step 2: Convert to fraction form
207,202.14/310,756.95 = 80,845.74/x - Step 3: Cross multiply
207,202.14x = 310,756.95 × 80,845.74 - Step 4: Simplify right side
207,202.14x = 25,123,375,582.89 - Step 5: Solve for x
x = 25,123,375,582.89/207,202.14 - Step 6: Final answer
x = 121,250.56
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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.