Finding the Fourth Proportional to 138,361.77, 207,706.68 and 116,448.03
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Solution
The fourth proportional to 138,361.77, 207,706.68 and 116,448.03 is: 174,810.09
Step by Step Solution
- Step 1: Write the proportion equation
138,361.77 : 207,706.68 = 116,448.03 : x - Step 2: Convert to fraction form
138,361.77/207,706.68 = 116,448.03/x - Step 3: Cross multiply
138,361.77x = 207,706.68 × 116,448.03 - Step 4: Simplify right side
138,361.77x = 24,187,033,703.84 - Step 5: Solve for x
x = 24,187,033,703.84/138,361.77 - Step 6: Final answer
x = 174,810.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.