Finding the Fourth Proportional to 135,067.80, 202,334.40 and 118,446.60
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Solution
The fourth proportional to 135,067.80, 202,334.40 and 118,446.60 is: 177,435.49
Step by Step Solution
- Step 1: Write the proportion equation
135,067.80 : 202,334.40 = 118,446.60 : x - Step 2: Convert to fraction form
135,067.80/202,334.40 = 118,446.60/x - Step 3: Cross multiply
135,067.80x = 202,334.40 × 118,446.60 - Step 4: Simplify right side
135,067.80x = 23,965,821,743.04 - Step 5: Solve for x
x = 23,965,821,743.04/135,067.80 - Step 6: Final answer
x = 177,435.49
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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.