Finding the Fourth Proportional to 202,963.02, 280,226.79 and 126,512.70
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Solution
The fourth proportional to 202,963.02, 280,226.79 and 126,512.70 is: 174,673.43
Step by Step Solution
- Step 1: Write the proportion equation
202,963.02 : 280,226.79 = 126,512.70 : x - Step 2: Convert to fraction form
202,963.02/280,226.79 = 126,512.70/x - Step 3: Cross multiply
202,963.02x = 280,226.79 × 126,512.70 - Step 4: Simplify right side
202,963.02x = 35,452,247,815.23 - Step 5: Solve for x
x = 35,452,247,815.23/202,963.02 - Step 6: Final answer
x = 174,673.43
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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.