Finding the Fourth Proportional to 118,261.28, 177,297.73 and 68,284.69
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Solution
The fourth proportional to 118,261.28, 177,297.73 and 68,284.69 is: 102,372.65
Step by Step Solution
- Step 1: Write the proportion equation
118,261.28 : 177,297.73 = 68,284.69 : x - Step 2: Convert to fraction form
118,261.28/177,297.73 = 68,284.69/x - Step 3: Cross multiply
118,261.28x = 177,297.73 × 68,284.69 - Step 4: Simplify right side
118,261.28x = 12,106,720,530.75 - Step 5: Solve for x
x = 12,106,720,530.75/118,261.28 - Step 6: Final answer
x = 102,372.65
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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.