Finding the Fourth Proportional to 143,571.55, 213,883.99 and 137,094.62
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Solution
The fourth proportional to 143,571.55, 213,883.99 and 137,094.62 is: 204,235.06
Step by Step Solution
- Step 1: Write the proportion equation
143,571.55 : 213,883.99 = 137,094.62 : x - Step 2: Convert to fraction form
143,571.55/213,883.99 = 137,094.62/x - Step 3: Cross multiply
143,571.55x = 213,883.99 × 137,094.62 - Step 4: Simplify right side
143,571.55x = 29,322,344,333.13 - Step 5: Solve for x
x = 29,322,344,333.13/143,571.55 - Step 6: Final answer
x = 204,235.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.