Finding the Fourth Proportional to 251,735.66, 377,602.97 and 74,367.21
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Solution
The fourth proportional to 251,735.66, 377,602.97 and 74,367.21 is: 111,550.66
Step by Step Solution
- Step 1: Write the proportion equation
251,735.66 : 377,602.97 = 74,367.21 : x - Step 2: Convert to fraction form
251,735.66/377,602.97 = 74,367.21/x - Step 3: Cross multiply
251,735.66x = 377,602.97 × 74,367.21 - Step 4: Simplify right side
251,735.66x = 28,081,278,994.78 - Step 5: Solve for x
x = 28,081,278,994.78/251,735.66 - Step 6: Final answer
x = 111,550.66
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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.