Finding the Fourth Proportional to 371,716.44, 512,994.05 and 210,572.81
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Solution
The fourth proportional to 371,716.44, 512,994.05 and 210,572.81 is: 290,604.85
Step by Step Solution
- Step 1: Write the proportion equation
371,716.44 : 512,994.05 = 210,572.81 : x - Step 2: Convert to fraction form
371,716.44/512,994.05 = 210,572.81/x - Step 3: Cross multiply
371,716.44x = 512,994.05 × 210,572.81 - Step 4: Simplify right side
371,716.44x = 108,022,597,717.32 - Step 5: Solve for x
x = 108,022,597,717.32/371,716.44 - Step 6: Final answer
x = 290,604.85
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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.