Finding the Fourth Proportional to 305,375.99, 458,066.41 and 125,415.05
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Solution
The fourth proportional to 305,375.99, 458,066.41 and 125,415.05 is: 188,123.57
Step by Step Solution
- Step 1: Write the proportion equation
305,375.99 : 458,066.41 = 125,415.05 : x - Step 2: Convert to fraction form
305,375.99/458,066.41 = 125,415.05/x - Step 3: Cross multiply
305,375.99x = 458,066.41 × 125,415.05 - Step 4: Simplify right side
305,375.99x = 57,448,419,109.60 - Step 5: Solve for x
x = 57,448,419,109.60/305,375.99 - Step 6: Final answer
x = 188,123.57
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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.