Finding the Fourth Proportional to 188,361.21, 259,937.24 and 102,319.41
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Solution
The fourth proportional to 188,361.21, 259,937.24 and 102,319.41 is: 141,200.12
Step by Step Solution
- Step 1: Write the proportion equation
188,361.21 : 259,937.24 = 102,319.41 : x - Step 2: Convert to fraction form
188,361.21/259,937.24 = 102,319.41/x - Step 3: Cross multiply
188,361.21x = 259,937.24 × 102,319.41 - Step 4: Simplify right side
188,361.21x = 26,596,624,522.23 - Step 5: Solve for x
x = 26,596,624,522.23/188,361.21 - Step 6: Final answer
x = 141,200.12
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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.