Finding the Fourth Proportional to 135,357.48, 202,067.46 and 117,647.64
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Solution
The fourth proportional to 135,357.48, 202,067.46 and 117,647.64 is: 175,629.45
Step by Step Solution
- Step 1: Write the proportion equation
135,357.48 : 202,067.46 = 117,647.64 : x - Step 2: Convert to fraction form
135,357.48/202,067.46 = 117,647.64/x - Step 3: Cross multiply
135,357.48x = 202,067.46 × 117,647.64 - Step 4: Simplify right side
135,357.48x = 23,772,759,789.79 - Step 5: Solve for x
x = 23,772,759,789.79/135,357.48 - Step 6: Final answer
x = 175,629.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.