Finding the Fourth Proportional to 263,132.64, 363,122.28 and 142,273.08
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Solution
The fourth proportional to 263,132.64, 363,122.28 and 142,273.08 is: 196,336.44
Step by Step Solution
- Step 1: Write the proportion equation
263,132.64 : 363,122.28 = 142,273.08 : x - Step 2: Convert to fraction form
263,132.64/363,122.28 = 142,273.08/x - Step 3: Cross multiply
263,132.64x = 363,122.28 × 142,273.08 - Step 4: Simplify right side
263,132.64x = 51,662,525,192.22 - Step 5: Solve for x
x = 51,662,525,192.22/263,132.64 - Step 6: Final answer
x = 196,336.44
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1.5x scale
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.