Finding the Fourth Proportional to 149,997.93, 207,049.23 and 86,361.09
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Solution
The fourth proportional to 149,997.93, 207,049.23 and 86,361.09 is: 119,208.29
Step by Step Solution
- Step 1: Write the proportion equation
149,997.93 : 207,049.23 = 86,361.09 : x - Step 2: Convert to fraction form
149,997.93/207,049.23 = 86,361.09/x - Step 3: Cross multiply
149,997.93x = 207,049.23 × 86,361.09 - Step 4: Simplify right side
149,997.93x = 17,880,996,410.03 - Step 5: Solve for x
x = 17,880,996,410.03/149,997.93 - Step 6: Final answer
x = 119,208.29
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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.