Finding the Fourth Proportional to 351,716.99, 485,367.80 and 190,572.04
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Solution
The fourth proportional to 351,716.99, 485,367.80 and 190,572.04 is: 262,988.53
Step by Step Solution
- Step 1: Write the proportion equation
351,716.99 : 485,367.80 = 190,572.04 : x - Step 2: Convert to fraction form
351,716.99/485,367.80 = 190,572.04/x - Step 3: Cross multiply
351,716.99x = 485,367.80 × 190,572.04 - Step 4: Simplify right side
351,716.99x = 92,497,531,450.16 - Step 5: Solve for x
x = 92,497,531,450.16/351,716.99 - Step 6: Final answer
x = 262,988.53
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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.